diff --git a/package-lock.json b/package-lock.json
index d14aec6..1d850ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4693,12 +4693,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4713,17 +4715,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4840,7 +4845,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4852,6 +4858,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4866,6 +4873,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4873,12 +4881,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4897,6 +4907,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4977,7 +4988,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4989,6 +5001,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5110,6 +5123,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -7648,9 +7662,9 @@
       "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",
diff --git a/package.json b/package.json
index 27af33c..0255862 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "jest": "^23.6.0",
     "jsdoc": "^3.5.5",
     "minami": "^1.2.3",
-    "mini-css-extract-plugin": "^0.4.4",
+    "mini-css-extract-plugin": "^0.5.0",
     "rimraf": "^2.6.2",
     "sass-loader": "^7.1.0",
     "style-loader": "^0.23.1",