diff --git a/.gitignore b/.gitignore
index ad8c7ac..a503240 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 !jest.config.js
 *.d.ts
+src/**/*.js
+test/**/*.js
 node_modules
 # Compiled code
 lib/
diff --git a/.npmignore b/.npmignore
index 43c0181..7f57bb6 100644
--- a/.npmignore
+++ b/.npmignore
@@ -7,7 +7,7 @@ node_modules
 .cdk.staging
 cdk.out
 coverage/
-test/coverage.xml
+test/
 test.ts
 .git/
 .github/
diff --git a/package.json b/package.json
index 249fc6e..c9cc02c 100644
--- a/package.json
+++ b/package.json
@@ -27,10 +27,11 @@
   ],
   "scripts": {
     "build": "tsc --project tsconfig.build.json",
+    "test-build": "tsc --project tsconfig.test.json",
     "watch": "tsc -w",
     "test": "jest --ci --reporters=default --coverage",
     "integ": "integ-runner",
-    "integ-local": "npm run build && integ-runner",
+    "integ-local": "npm run test-build && integ-runner",
     "prepare": "husky install",
     "semantic-release": "semantic-release"
   },
diff --git a/tsconfig.json b/tsconfig.json
index 70a9049..420243c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -22,5 +22,5 @@
     "resolveJsonModule": true,
     "typeRoots": ["./node_modules/@types"]
   },
-  "include": ["src/**/*", "test/**/*"]
+  "include": ["src/**/*"]
 }
diff --git a/tsconfig.test.json b/tsconfig.test.json
new file mode 100644
index 0000000..b5fe997
--- /dev/null
+++ b/tsconfig.test.json
@@ -0,0 +1,24 @@
+{
+  "compilerOptions": {
+    "target":"ES2018",
+    "module": "commonjs",
+    "lib": ["es2016", "es2017.object", "es2017.string"],
+    "declaration": true,
+    "strict": true,
+    "noImplicitAny": false,
+    "strictNullChecks": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": false,
+    "inlineSourceMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "strictPropertyInitialization":false,
+    "resolveJsonModule": true,
+    "typeRoots": ["./node_modules/@types"]
+  },
+  "include": ["test/**/*"]
+}