diff --git a/demo/app.js b/demo/app.js
index 2eeaae9..63c24ef 100644
--- a/demo/app.js
+++ b/demo/app.js
@@ -22,7 +22,7 @@ const optimizely = optimizelyExpressSdk.initialize({
   sdkKey: 'CZsVVgn6j9ce6fNPt2ZEiB',
   datafileOptions: {
     autoUpdate: true,
-    updateInterval: 600000 // 10 minutes in milliseconds
+    updateInterval: 5*1000 // 5 seconds in milliseconds
   },
 });
 app.use(optimizely.middleware);
diff --git a/demo/express-sdk.js b/demo/express-sdk.js
index 6ed9594..54016fc 100644
--- a/demo/express-sdk.js
+++ b/demo/express-sdk.js
@@ -1,5 +1,5 @@
 /**
- * Optimizely Express SDK
+ * Optimizely Express Middleware
  *
  * Copyright 2019, Optimizely
  *
@@ -40,13 +40,15 @@ function initialize(options) {
     sdkKey,
     datafile,
     logLevel,
+    datafileOptions,
   } = options;
 
 
   const defaultLogger = require('@optimizely/optimizely-sdk').logging;
   const manager = new DatafileManager({
     sdkKey,
-    ...options
+    ...options,
+    ...datafileOptions,
   });
 
   function updateDatafile() {
@@ -76,7 +78,10 @@ function initialize(options) {
         logger: defaultLogger.createLogger({
           logLevel: logLevel
         }),
-        ...options
+        ...options,
+        datafileOptions: {
+          autoUpdate: false, // Ensure the SDK doesn't also try to auto-update on its own
+        },
       });
 
       req.optimizely = {
@@ -140,7 +145,7 @@ function initialize(options) {
     },
 
     /**
-     * isRouteEnabled
+     * isRouteEnabled (EXPERIMENTAL-FEATURE)
      *
      * Provides a method which can be used to block a route in express on whether the feature is enabled or not
      *
diff --git a/demo/package-lock.json b/demo/package-lock.json
index cdf5b9b..3f0b975 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -4,23 +4,120 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@optimizely/js-sdk-datafile-manager": {
+      "version": "0.3.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-datafile-manager/-/@optimizely/js-sdk-datafile-manager-0.3.0.tgz",
+      "integrity": "sha1-hSEYTt/a0TfQkswCViMlha7P2Bo=",
+      "requires": {
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0"
+      }
+    },
+    "@optimizely/js-sdk-event-processor": {
+      "version": "0.2.1",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-event-processor/-/@optimizely/js-sdk-event-processor-0.2.1.tgz",
+      "integrity": "sha1-ES3UtTyPEJayluX0D5d5XUmA7xU=",
+      "requires": {
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0"
+      }
+    },
+    "@optimizely/js-sdk-logging": {
+      "version": "0.1.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-logging/-/@optimizely/js-sdk-logging-0.1.0.tgz",
+      "integrity": "sha1-SihF3HDjssxTXkXNqMXHz9uuEtI=",
+      "requires": {
+        "@optimizely/js-sdk-utils": "0.1.0"
+      }
+    },
+    "@optimizely/js-sdk-utils": {
+      "version": "0.1.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-utils/-/@optimizely/js-sdk-utils-0.1.0.tgz",
+      "integrity": "sha1-FojqgSkOSCHsNzYdUbFVG+oHEJk=",
+      "requires": {
+        "uuid": "3.3.2"
+      }
+    },
+    "@optimizely/optimizely-sdk": {
+      "version": "3.2.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/optimizely-sdk/-/optimizely-sdk-3.2.0.tgz",
+      "integrity": "sha1-Worv91AeRWeDFZfy6RbOABN31Hw=",
+      "requires": {
+        "@optimizely/js-sdk-datafile-manager": "0.3.0",
+        "@optimizely/js-sdk-event-processor": "0.2.1",
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0",
+        "json-schema": "0.2.3",
+        "lodash": "4.17.11",
+        "murmurhash": "0.0.2",
+        "promise-polyfill": "8.1.0",
+        "uuid": "3.3.2"
+      }
+    },
+    "accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "requires": {
+        "mime-types": "2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
+    "acorn": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-2.7.0.tgz",
+      "integrity": "sha1-q259nYhqrKiwhbwzEreaGYQz8Oc="
+    },
+    "acorn-globals": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-1.0.9.tgz",
+      "integrity": "sha1-VbtemGkVB7dFedBRNBMhfDgMVM8=",
+      "requires": {
+        "acorn": "2.7.0"
+      }
+    },
     "ajv": {
       "version": "6.10.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
       "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
       "requires": {
-        "fast-deep-equal": "^2.0.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.2"
+        "fast-deep-equal": "2.0.1",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.4.1",
+        "uri-js": "4.2.2"
       }
     },
+    "align-text": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "requires": {
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
+    },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "asap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/asap/-/asap-1.0.0.tgz",
+      "integrity": "sha1-sqRdpf36ILBJb8N2jMJ8EvqRan0="
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
       "requires": {
-        "safer-buffer": "~2.1.0"
+        "safer-buffer": "2.1.2"
       }
     },
     "assert-plus": {
@@ -43,12 +140,20 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
+    "basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "requires": {
-        "tweetnacl": "^0.14.3"
+        "tweetnacl": "0.14.5"
       }
     },
     "bluebird": {
@@ -56,44 +161,334 @@
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.4.tgz",
       "integrity": "sha512-FG+nFEZChJrbQ9tIccIfZJBz3J7mLrAhxakAbnrJWn8d7aKOC+LWifa0G+p4ZqKp4y13T7juYvdhq9NzKdsrjw=="
     },
+    "body-parser": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
+      "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
+      "requires": {
+        "bytes": "3.1.0",
+        "content-type": "1.0.4",
+        "debug": "2.6.9",
+        "depd": "1.1.2",
+        "http-errors": "1.7.2",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.3.0",
+        "qs": "6.7.0",
+        "raw-body": "2.4.0",
+        "type-is": "1.6.18"
+      },
+      "dependencies": {
+        "http-errors": {
+          "version": "1.7.2",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
+          "integrity": "sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==",
+          "requires": {
+            "depd": "1.1.2",
+            "inherits": "2.0.3",
+            "setprototypeof": "1.1.1",
+            "statuses": "1.5.0",
+            "toidentifier": "1.0.0"
+          }
+        },
+        "qs": {
+          "version": "6.7.0",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+          "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+        }
+      }
+    },
+    "bytes": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
+    },
+    "camelcase": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk="
+    },
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
+    "center-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
+      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
+      "requires": {
+        "align-text": "0.1.4",
+        "lazy-cache": "1.0.4"
+      }
+    },
+    "character-parser": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/character-parser/-/character-parser-1.2.1.tgz",
+      "integrity": "sha1-wN3kqxgnE7kZuXCVmhI+zBow/NY="
+    },
+    "clean-css": {
+      "version": "3.4.28",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-3.4.28.tgz",
+      "integrity": "sha1-vxlF6C/ICPVWlebd6uwBQA79A/8=",
+      "requires": {
+        "commander": "2.8.1",
+        "source-map": "0.4.4"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.8.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
+          "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
+          "requires": {
+            "graceful-readlink": "1.0.1"
+          }
+        }
+      }
+    },
+    "cliui": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
+      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
+      "requires": {
+        "center-align": "0.1.3",
+        "right-align": "0.1.3",
+        "wordwrap": "0.0.2"
+      },
+      "dependencies": {
+        "wordwrap": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8="
+        }
+      }
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
       "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "delayed-stream": "1.0.0"
+      }
+    },
+    "commander": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.6.0.tgz",
+      "integrity": "sha1-nfflL7Kgyw+4kFjugMMQQiXzfh0="
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+    "constantinople": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.0.2.tgz",
+      "integrity": "sha1-S5RdmTeQe82Y7ldRIsOBdRZUQUE=",
+      "requires": {
+        "acorn": "2.7.0"
       }
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+    "content-disposition": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
+      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
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+    "cookie": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+    },
+    "cookie-parser": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.4.tgz",
+      "integrity": "sha512-lo13tqF3JEtFO7FyA49CqbhaFkskRJ0u/UAiINgrIXeRCY41c88/zxtrECl8AKH3B0hj9q10+h3Kt8I7KlW4tw==",
+      "requires": {
+        "cookie": "0.3.1",
+        "cookie-signature": "1.0.6"
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+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
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       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "css": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/css/-/css-1.0.8.tgz",
+      "integrity": "sha1-k4aBHKgrzMnuf7WnMrHioxfIo+c=",
+      "requires": {
+        "css-parse": "1.0.4",
+        "css-stringify": "1.0.5"
+      }
+    },
+    "css-parse": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/css-parse/-/css-parse-1.0.4.tgz",
+      "integrity": "sha1-OLBQP7+dqfVOnB29pg4UXHcRe90="
+    },
+    "css-stringify": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/css-stringify/-/css-stringify-1.0.5.tgz",
+      "integrity": "sha1-sNBClG2ylTu50pKQCmy19tASIDE="
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       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
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+    "debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+      }
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+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+    },
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       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
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+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
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+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
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       "requires": {
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+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2"
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+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
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+    "escape-html": {
+      "version": "1.0.3",
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+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
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+      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
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+        "accepts": "1.3.7",
+        "array-flatten": "1.1.1",
+        "body-parser": "1.18.3",
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+          "requires": {
+            "depd": "1.1.2",
+            "inherits": "2.0.3",
+            "setprototypeof": "1.1.1",
+            "statuses": "1.5.0",
+            "toidentifier": "1.0.0"
+          }
+        }
+      }
+    },
+    "repeat-string": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
+      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
+    },
     "request": {
       "version": "2.88.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
       "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
       "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.8.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.6",
-        "extend": "~3.0.2",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.2",
-        "har-validator": "~5.1.0",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.19",
-        "oauth-sign": "~0.9.0",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.2",
-        "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.4.3",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.3.2"
+        "aws-sign2": "0.7.0",
+        "aws4": "1.8.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.8",
+        "extend": "3.0.2",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.3",
+        "har-validator": "5.1.3",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.24",
+        "oauth-sign": "0.9.0",
+        "performance-now": "2.1.0",
+        "qs": "6.5.2",
+        "safe-buffer": "5.1.2",
+        "tough-cookie": "2.4.3",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.3.2"
       }
     },
     "request-promise": {
@@ -279,10 +948,10 @@
       "resolved": "https://registry.npmjs.org/request-promise/-/request-promise-4.2.4.tgz",
       "integrity": "sha512-8wgMrvE546PzbR5WbYxUQogUnUDfM0S7QIFZMID+J73vdFARkFy+HElj4T+MWYhpXwlLp0EQ8Zoj8xUA0he4Vg==",
       "requires": {
-        "bluebird": "^3.5.0",
+        "bluebird": "3.5.4",
         "request-promise-core": "1.1.2",
-        "stealthy-require": "^1.1.1",
-        "tough-cookie": "^2.3.3"
+        "stealthy-require": "1.1.1",
+        "tough-cookie": "2.4.3"
       }
     },
     "request-promise-core": {
@@ -290,7 +959,15 @@
       "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.2.tgz",
       "integrity": "sha512-UHYyq1MO8GsefGEt7EprS8UrXsm1TxEvFUX1IMTuSLU2Rh7fTIdFtl8xD7JiEYiWU2dl+NYAjCTksTehQUxPag==",
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "4.17.11"
+      }
+    },
+    "right-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
+      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
+      "requires": {
+        "align-text": "0.1.4"
       }
     },
     "safe-buffer": {
@@ -303,34 +980,95 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "send": {
+      "version": "0.16.2",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
+      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
+      "requires": {
+        "debug": "2.6.9",
+        "depd": "1.1.2",
+        "destroy": "1.0.4",
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "1.6.3",
+        "mime": "1.4.1",
+        "ms": "2.0.0",
+        "on-finished": "2.3.0",
+        "range-parser": "1.2.1",
+        "statuses": "1.4.0"
+      },
+      "dependencies": {
+        "statuses": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
+          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+        }
+      }
+    },
+    "serve-static": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
+      "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
+      "requires": {
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "parseurl": "1.3.3",
+        "send": "0.16.2"
+      }
+    },
+    "setprototypeof": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
+      "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
+    },
+    "source-map": {
+      "version": "0.4.4",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+      "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
+      "requires": {
+        "amdefine": "1.0.1"
+      }
+    },
     "sshpk": {
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
       "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
+        "asn1": "0.2.4",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.2",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.2",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2",
+        "tweetnacl": "0.14.5"
       }
     },
+    "statuses": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
+    },
     "stealthy-require": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
       "integrity": "sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks="
     },
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
     "tough-cookie": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
       "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "requires": {
-        "psl": "^1.1.24",
-        "punycode": "^1.4.1"
+        "psl": "1.1.31",
+        "punycode": "1.4.1"
       },
       "dependencies": {
         "punycode": {
@@ -340,12 +1078,54 @@
         }
       }
     },
+    "transformers": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/transformers/-/transformers-2.1.0.tgz",
+      "integrity": "sha1-XSPLNVYd2F3Gf7hIIwm0fVPM6ac=",
+      "requires": {
+        "css": "1.0.8",
+        "promise": "2.0.0",
+        "uglify-js": "2.2.5"
+      },
+      "dependencies": {
+        "is-promise": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-1.0.1.tgz",
+          "integrity": "sha1-MVc3YcBX4zwukaq56W2gjO++duU="
+        },
+        "promise": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/promise/-/promise-2.0.0.tgz",
+          "integrity": "sha1-RmSKqdYFr10ucMMCS/WUNtoCuA4=",
+          "requires": {
+            "is-promise": "1.0.1"
+          }
+        },
+        "source-map": {
+          "version": "0.1.43",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
+          "requires": {
+            "amdefine": "1.0.1"
+          }
+        },
+        "uglify-js": {
+          "version": "2.2.5",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
+          "integrity": "sha1-puAqcNg5eSuXgEiLe4sYTAlcmcc=",
+          "requires": {
+            "optimist": "0.3.7",
+            "source-map": "0.1.43"
+          }
+        }
+      }
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "tweetnacl": {
@@ -353,27 +1133,116 @@
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "2.1.24"
+      }
+    },
+    "uglify-js": {
+      "version": "2.8.29",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "requires": {
+        "source-map": "0.5.7",
+        "uglify-to-browserify": "1.0.2",
+        "yargs": "3.10.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
+        }
+      }
+    },
+    "uglify-to-browserify": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
+      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
+      "optional": true
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
     "uri-js": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
       "requires": {
-        "punycode": "^2.1.0"
+        "punycode": "2.1.1"
       }
     },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
     "uuid": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
       "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
     },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
+        "extsprintf": "1.3.0"
+      }
+    },
+    "void-elements": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
+      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w="
+    },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
+    },
+    "with": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/with/-/with-4.0.3.tgz",
+      "integrity": "sha1-7v0VTp550sjTQXtkeo8U2f7M4U4=",
+      "requires": {
+        "acorn": "1.2.2",
+        "acorn-globals": "1.0.9"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "1.2.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
+          "integrity": "sha1-yM4n3grMdtiW0rH6099YjZ6C8BQ="
+        }
+      }
+    },
+    "wordwrap": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+    },
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+      "requires": {
+        "camelcase": "1.2.1",
+        "cliui": "2.1.0",
+        "decamelize": "1.2.0",
+        "window-size": "0.1.0"
       }
     }
   }
diff --git a/demo/package.json b/demo/package.json
index 9f9b171..3ce1393 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -9,8 +9,8 @@
     "node": ">=8.11.3"
   },
   "dependencies": {
-    "@optimizely/js-sdk-datafile-manager": "^0.3.0",
-    "@optimizely/optimizely-sdk": "^3.2.0-beta",
+    "@optimizely/js-sdk-datafile-manager": "~0.3.0",
+    "@optimizely/optimizely-sdk": "~3.2.0",
     "body-parser": "^1.19.0",
     "cookie-parser": "~1.4.3",
     "debug": "~2.6.9",
diff --git a/index.js b/index.js
index 63b0764..54016fc 100644
--- a/index.js
+++ b/index.js
@@ -40,13 +40,15 @@ function initialize(options) {
     sdkKey,
     datafile,
     logLevel,
+    datafileOptions,
   } = options;
 
 
   const defaultLogger = require('@optimizely/optimizely-sdk').logging;
   const manager = new DatafileManager({
     sdkKey,
-    ...options
+    ...options,
+    ...datafileOptions,
   });
 
   function updateDatafile() {
@@ -76,7 +78,10 @@ function initialize(options) {
         logger: defaultLogger.createLogger({
           logLevel: logLevel
         }),
-        ...options
+        ...options,
+        datafileOptions: {
+          autoUpdate: false, // Ensure the SDK doesn't also try to auto-update on its own
+        },
       });
 
       req.optimizely = {
diff --git a/package-lock.json b/package-lock.json
index 49dffe6..5654c49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,25 @@
 {
-  "name": "optimizely-express-sdk",
-  "version": "1.0.0",
+  "name": "@optimizely/express",
+  "version": "0.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@optimizely/js-sdk-datafile-manager": {
-      "version": "0.1.0",
-      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-datafile-manager/-/js-sdk-datafile-manager-0.1.0.tgz",
-      "integrity": "sha1-wmwfTrwF4BrENpExthgNdx/OCBI=",
+      "version": "0.3.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-datafile-manager/-/@optimizely/js-sdk-datafile-manager-0.3.0.tgz",
+      "integrity": "sha1-hSEYTt/a0TfQkswCViMlha7P2Bo=",
+      "requires": {
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0"
+      }
+    },
+    "@optimizely/js-sdk-event-processor": {
+      "version": "0.2.1",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-event-processor/-/@optimizely/js-sdk-event-processor-0.2.1.tgz",
+      "integrity": "sha1-ES3UtTyPEJayluX0D5d5XUmA7xU=",
       "requires": {
-        "@optimizely/js-sdk-logging": "^0.1.0"
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0"
       }
     },
     "@optimizely/js-sdk-logging": {
@@ -17,7 +27,7 @@
       "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-logging/-/@optimizely/js-sdk-logging-0.1.0.tgz",
       "integrity": "sha1-SihF3HDjssxTXkXNqMXHz9uuEtI=",
       "requires": {
-        "@optimizely/js-sdk-utils": "^0.1.0"
+        "@optimizely/js-sdk-utils": "0.1.0"
       }
     },
     "@optimizely/js-sdk-utils": {
@@ -25,19 +35,23 @@
       "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/js-sdk-utils/-/@optimizely/js-sdk-utils-0.1.0.tgz",
       "integrity": "sha1-FojqgSkOSCHsNzYdUbFVG+oHEJk=",
       "requires": {
-        "uuid": "^3.3.2"
+        "uuid": "3.3.2"
       }
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     "@optimizely/optimizely-sdk": {
-      "version": "3.0.1",
-      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/optimizely-sdk/-/optimizely-sdk-3.0.1.tgz",
-      "integrity": "sha1-MvMFOl3UZxl1JQbPFPWeItgLm7w=",
+      "version": "3.2.0",
+      "resolved": "https://optimizely.jfrog.io/optimizely/api/npm/npm/@optimizely/optimizely-sdk/-/optimizely-sdk-3.2.0.tgz",
+      "integrity": "sha1-Worv91AeRWeDFZfy6RbOABN31Hw=",
       "requires": {
-        "json-schema": "^0.2.3",
-        "lodash": "^4.0.0",
+        "@optimizely/js-sdk-datafile-manager": "0.3.0",
+        "@optimizely/js-sdk-event-processor": "0.2.1",
+        "@optimizely/js-sdk-logging": "0.1.0",
+        "@optimizely/js-sdk-utils": "0.1.0",
+        "json-schema": "0.2.3",
+        "lodash": "4.17.11",
         "murmurhash": "0.0.2",
-        "sprintf-js": "^1.1.1",
-        "uuid": "^3.3.2"
+        "promise-polyfill": "8.1.0",
+        "uuid": "3.3.2"
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@@ -45,10 +59,10 @@
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       "requires": {
-        "fast-deep-equal": "^2.0.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.2"
+        "fast-deep-equal": "2.0.1",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.4.1",
+        "uri-js": "4.2.2"
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@@ -56,7 +70,7 @@
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
       "requires": {
-        "safer-buffer": "~2.1.0"
+        "safer-buffer": "2.1.2"
       }
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     "assert-plus": {
@@ -84,7 +98,7 @@
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "requires": {
-        "tweetnacl": "^0.14.3"
+        "tweetnacl": "0.14.5"
       }
     },
     "bluebird": {
@@ -102,7 +116,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
       "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "delayed-stream": "1.0.0"
       }
     },
     "core-util-is": {
@@ -115,7 +129,7 @@
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "delayed-stream": {
@@ -128,8 +142,8 @@
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
       "requires": {
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.1.0"
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2"
       }
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     "extend": {
@@ -162,9 +176,9 @@
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
       "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
       "requires": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.6",
-        "mime-types": "^2.1.12"
+        "asynckit": "0.4.0",
+        "combined-stream": "1.0.8",
+        "mime-types": "2.1.24"
       }
     },
     "getpass": {
@@ -172,7 +186,7 @@
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "har-schema": {
@@ -185,8 +199,8 @@
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
       "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
       "requires": {
-        "ajv": "^6.5.5",
-        "har-schema": "^2.0.0"
+        "ajv": "6.10.0",
+        "har-schema": "2.0.0"
       }
     },
     "http-signature": {
@@ -194,9 +208,9 @@
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
       "requires": {
-        "assert-plus": "^1.0.0",
-        "jsprim": "^1.2.2",
-        "sshpk": "^1.7.0"
+        "assert-plus": "1.0.0",
+        "jsprim": "1.4.1",
+        "sshpk": "1.16.1"
       }
     },
     "is-typedarray": {
@@ -273,6 +287,11 @@
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "promise-polyfill": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/promise-polyfill/-/promise-polyfill-8.1.0.tgz",
+      "integrity": "sha512-OzSf6gcCUQ01byV4BgwyUCswlaQQ6gzXc23aLQWhicvfX9kfsUiUhgt3CCQej8jDnl8/PhGF31JdHX2/MzF3WA=="
+    },
     "psl": {
       "version": "1.1.31",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
@@ -293,26 +312,26 @@
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
       "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
       "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.8.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.6",
-        "extend": "~3.0.2",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.2",
-        "har-validator": "~5.1.0",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.19",
-        "oauth-sign": "~0.9.0",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.2",
-        "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.4.3",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.3.2"
+        "aws-sign2": "0.7.0",
+        "aws4": "1.8.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.8",
+        "extend": "3.0.2",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.3",
+        "har-validator": "5.1.3",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.24",
+        "oauth-sign": "0.9.0",
+        "performance-now": "2.1.0",
+        "qs": "6.5.2",
+        "safe-buffer": "5.1.2",
+        "tough-cookie": "2.4.3",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.3.2"
       }
     },
     "request-promise": {
@@ -320,10 +339,10 @@
       "resolved": "https://registry.npmjs.org/request-promise/-/request-promise-4.2.4.tgz",
       "integrity": "sha512-8wgMrvE546PzbR5WbYxUQogUnUDfM0S7QIFZMID+J73vdFARkFy+HElj4T+MWYhpXwlLp0EQ8Zoj8xUA0he4Vg==",
       "requires": {
-        "bluebird": "^3.5.0",
+        "bluebird": "3.5.4",
         "request-promise-core": "1.1.2",
-        "stealthy-require": "^1.1.1",
-        "tough-cookie": "^2.3.3"
+        "stealthy-require": "1.1.1",
+        "tough-cookie": "2.4.3"
       }
     },
     "request-promise-core": {
@@ -331,7 +350,7 @@
       "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.2.tgz",
       "integrity": "sha512-UHYyq1MO8GsefGEt7EprS8UrXsm1TxEvFUX1IMTuSLU2Rh7fTIdFtl8xD7JiEYiWU2dl+NYAjCTksTehQUxPag==",
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "4.17.11"
       }
     },
     "safe-buffer": {
@@ -344,25 +363,20 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "sprintf-js": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.2.tgz",
-      "integrity": "sha512-VE0SOVEHCk7Qc8ulkWw3ntAzXuqf7S2lvwQaDLRnUeIEaKNQJzV6BwmLKhOqT61aGhfUMrXeaBk+oDGCzvhcug=="
-    },
     "sshpk": {
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
       "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
+        "asn1": "0.2.4",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.2",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.2",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2",
+        "tweetnacl": "0.14.5"
       }
     },
     "stealthy-require": {
@@ -375,8 +389,8 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
       "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "requires": {
-        "psl": "^1.1.24",
-        "punycode": "^1.4.1"
+        "psl": "1.1.31",
+        "punycode": "1.4.1"
       },
       "dependencies": {
         "punycode": {
@@ -391,7 +405,7 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "tweetnacl": {
@@ -404,7 +418,7 @@
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
       "requires": {
-        "punycode": "^2.1.0"
+        "punycode": "2.1.1"
       }
     },
     "uuid": {
@@ -417,9 +431,9 @@
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
+        "extsprintf": "1.3.0"
       }
     }
   }
diff --git a/package.json b/package.json
index a831669..7350aeb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@optimizely/express",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Express middleware for Optimizely",
   "main": "index.js",
   "scripts": {
@@ -15,8 +15,8 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@optimizely/js-sdk-datafile-manager": "0.1.0",
-    "@optimizely/optimizely-sdk": "^3.0.1",
+    "@optimizely/js-sdk-datafile-manager": "~0.3.0",
+    "@optimizely/optimizely-sdk": "~3.2.0",
     "request": "^2.88.0",
     "request-promise": "^4.2.4"
   }