diff --git a/package.json b/package.json
index a717d85cde..1c7a8c0c94 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "lodash": "^4.7.11",
     "mark-loader": "^0.1.6",
     "marky": "^1.2.1",
-    "mini-css-extract-plugin": "^0.11.0",
+    "mini-css-extract-plugin": "^0.12.0",
     "npmlog": "^4.1.2",
     "object-assign": "^4.1.1",
     "object-fit-images": "^3.2.3",
diff --git a/yarn.lock b/yarn.lock
index fb66534a75..49502546dd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7744,10 +7744,10 @@ 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@^0.11.0:
-  version "0.11.3"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.11.3.tgz#15b0910a7f32e62ffde4a7430cfefbd700724ea6"
-  integrity sha512-n9BA8LonkOkW1/zn+IbLPQmovsL0wMb9yx75fMJQZf2X1Zoec9yTZtyMePcyu19wPkmFbzZZA6fLTotpFhQsOA==
+mini-css-extract-plugin@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.12.0.tgz#ddeb74fd6304ca9f99c1db74acc7d5b507705454"
+  integrity sha512-z6PQCe9rd1XUwZ8gMaEVwwRyZlrYy8Ba1gRjFP5HcV51HkXX+XlwZ+a1iAYTjSYwgNBXoNR7mhx79mDpOn5fdw==
   dependencies:
     loader-utils "^1.1.0"
     normalize-url "1.9.1"