diff --git a/html/package.json b/html/package.json
index 448e76a..cac04f7 100644
--- a/html/package.json
+++ b/html/package.json
@@ -44,7 +44,7 @@
     "html-webpack-plugin": "^4.5.2",
     "husky": "^5.1.3",
     "lint-staged": "^10.5.4",
-    "mini-css-extract-plugin": "^1.3.9",
+    "mini-css-extract-plugin": "^1.4.0",
     "node-sass": "^5.0.0",
     "optimize-css-assets-webpack-plugin": "^5.0.4",
     "sass-loader": "^10.1.1",
diff --git a/html/yarn.lock b/html/yarn.lock
index 2346eb7..2a92a38 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -5014,10 +5014,10 @@ 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@^1.3.9:
-  version "1.3.9"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-1.3.9.tgz#47a32132b0fd97a119acd530e8421e8f6ab16d5e"
-  integrity sha512-Ac4s+xhVbqlyhXS5J/Vh/QXUz3ycXlCqoCPpg0vdfhsIBH9eg/It/9L1r1XhSCH737M1lqcWnMuWL13zcygn5A==
+mini-css-extract-plugin@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-1.4.0.tgz#c8e571c4b6d63afa56c47260343adf623349c473"
+  integrity sha512-DyQr5DhXXARKZoc4kwvCvD95kh69dUupfuKOmBUqZ4kBTmRaRZcU32lYu3cLd6nEGXhQ1l7LzZ3F/CjItaY6VQ==
   dependencies:
     loader-utils "^2.0.0"
     schema-utils "^3.0.0"