diff --git a/package.json b/package.json
index a4d03f15..eebf9072 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "istanbul-instrumenter-loader": "3.0.1",
     "jquery": "3.3.1",
     "jquery-ui": "1.12.1",
-    "mini-css-extract-plugin": "0.4.5",
+    "mini-css-extract-plugin": "0.5.0",
     "mocha": "5.2.0",
     "mocha-loader": "2.0.0",
     "mocha-webpack": "2.0.0-beta.0",
diff --git a/yarn.lock b/yarn.lock
index c76c105f..0755daac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4671,9 +4671,9 @@ mimic-response@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
 
-mini-css-extract-plugin@0.4.5:
-  version "0.4.5"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.4.5.tgz#c99e9e78d54f3fa775633aee5933aeaa4e80719a"
+mini-css-extract-plugin@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.5.0.tgz#ac0059b02b9692515a637115b0cc9fed3a35c7b0"
   dependencies:
     loader-utils "^1.1.0"
     schema-utils "^1.0.0"