diff --git a/package-lock.json b/package-lock.json
index b667bacf8..a9982cb4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5132,7 +5132,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5547,7 +5548,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5603,6 +5605,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5646,12 +5649,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -9904,27 +9909,14 @@
       "dev": true
     },
     "mini-css-extract-plugin": {
-      "version": "0.4.4",
-      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.4.4.tgz",
-      "integrity": "sha512-o+Jm+ocb0asEngdM6FsZWtZsRzA8koFUudIDwYUfl94M3PejPHG7Vopw5hN9V8WsMkSFpm3tZP3Fesz89EyrfQ==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.5.0.tgz",
+      "integrity": "sha512-IuaLjruM0vMKhUUT51fQdQzBYTX49dLj8w68ALEAe2A4iYNpIC4eMac67mt3NzycvjOlf07/kYxJDc0RTl1Wqw==",
       "dev": true,
       "requires": {
         "loader-utils": "^1.1.0",
         "schema-utils": "^1.0.0",
         "webpack-sources": "^1.1.0"
-      },
-      "dependencies": {
-        "schema-utils": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
-          "integrity": "sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==",
-          "dev": true,
-          "requires": {
-            "ajv": "^6.1.0",
-            "ajv-errors": "^1.0.0",
-            "ajv-keywords": "^3.1.0"
-          }
-        }
       }
     },
     "minimalistic-assert": {
diff --git a/package.json b/package.json
index a49cd1f6e..5818bf7dc 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "idb-keyval": "3.1.0",
     "linkstate": "1.1.1",
     "loader-utils": "1.1.0",
-    "mini-css-extract-plugin": "0.4.4",
+    "mini-css-extract-plugin": "0.5.0",
     "minimatch": "3.0.4",
     "node-sass": "4.11.0",
     "optimize-css-assets-webpack-plugin": "5.0.1",