diff --git a/package.json b/package.json
index 9a138cf82..e02070d5a 100644
--- a/package.json
+++ b/package.json
@@ -191,7 +191,7 @@
     "jsonlint": "1.6.3",
     "less": "4.1.1",
     "less-loader": "7.3.0",
-    "mini-css-extract-plugin": "1.3.9",
+    "mini-css-extract-plugin": "1.4.0",
     "mocha": "8.3.2",
     "mock-require": "3.0.3",
     "optimize-css-assets-webpack-plugin": "5.0.4",
diff --git a/yarn.lock b/yarn.lock
index 312285517..2131cf32b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6521,10 +6521,10 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-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"