diff --git a/html/package.json b/html/package.json
index 033074a..2a9bcb6 100644
--- a/html/package.json
+++ b/html/package.json
@@ -41,7 +41,7 @@
     "html-webpack-plugin": "^3.2.0",
     "husky": "^3.1.0",
     "lint-staged": "^9.5.0",
-    "mini-css-extract-plugin": "^0.8.0",
+    "mini-css-extract-plugin": "^0.9.0",
     "node-sass": "^4.13.0",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "sass-loader": "^8.0.0",
diff --git a/html/yarn.lock b/html/yarn.lock
index 50b8ced..30fd73f 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -4914,10 +4914,10 @@ mimic-response@^1.0.0, mimic-response@^1.0.1:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
   integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
 
-mini-css-extract-plugin@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.8.0.tgz#81d41ec4fe58c713a96ad7c723cdb2d0bd4d70e1"
-  integrity sha512-MNpRGbNA52q6U92i0qbVpQNsgk7LExy41MdAlG84FeytfDOtRIf/mCHdEgG8rpTKOaNKiqUnZdlptF469hxqOw==
+mini-css-extract-plugin@^0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.9.0.tgz#47f2cf07aa165ab35733b1fc97d4c46c0564339e"
+  integrity sha512-lp3GeY7ygcgAmVIcRPBVhIkf8Us7FZjA+ILpal44qLdSu11wmjKQ3d9k15lfD7pO4esu9eUIAW7qiYIBppv40A==
   dependencies:
     loader-utils "^1.1.0"
     normalize-url "1.9.1"