diff --git a/package-lock.json b/package-lock.json
index 327842e3..fb10ed28 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -806,7 +806,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -824,11 +825,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -841,15 +844,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -952,7 +958,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -962,6 +969,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -974,17 +982,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.2",
             "yallist": "3.0.3"
@@ -1001,6 +1012,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1073,7 +1085,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1083,6 +1096,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -1158,7 +1172,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1188,6 +1203,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -1205,6 +1221,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -1243,11 +1260,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -2141,21 +2160,13 @@
       }
     },
     "postcss-import": {
-      "version": "12.0.1",
-      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-12.0.1.tgz",
-      "integrity": "sha512-3Gti33dmCjyKBgimqGxL3vcV8w9+bsHwO5UrBawp796+jdardbcFl4RP5w/76BwNL7aGzpKstIfF9I+kdE8pTw==",
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-16.0.0.tgz",
+      "integrity": "sha512-e77lhVvrD1I2y7dYmBv0k9ULTdArgEYZt97T4w6sFIU5uxIHvDFQlKgUUyY7v7Barj0Yf/zm5A4OquZN7jKm5Q==",
       "requires": {
-        "postcss": "7.0.17",
-        "postcss-value-parser": "3.3.1",
-        "read-cache": "1.0.0",
-        "resolve": "1.12.0"
-      },
-      "dependencies": {
-        "postcss-value-parser": {
-          "version": "3.3.1",
-          "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz",
-          "integrity": "sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ=="
-        }
+        "postcss-value-parser": "^4.0.0",
+        "read-cache": "^1.0.0",
+        "resolve": "^1.1.7"
       }
     },
     "postcss-load-config": {
diff --git a/package.json b/package.json
index 600906c9..c76e91a8 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@fullhuman/postcss-purgecss": "^1.2.0",
     "autoprefixer": "^9.6.0",
     "postcss-cli": "^6.1.2",
-    "postcss-import": "^12.0.1",
+    "postcss-import": "^16.0.0",
     "postcss-purifycss": "^1.1.0",
     "postcss-replace": "^1.0.6",
     "webpage": "^0.3.0"