diff --git a/ui/webui/package.json b/ui/webui/package.json
index 9c3694bb481..e74b5c5ddab 100644
--- a/ui/webui/package.json
+++ b/ui/webui/package.json
@@ -36,7 +36,7 @@
     "eslint-webpack-plugin": "^3.1.1",
     "htmlparser": "^1.7.7",
     "jed": "^1.1.1",
-    "mini-css-extract-plugin": "~2.6.0",
+    "mini-css-extract-plugin": "~2.9.2",
     "po2json": "^1.0.0-alpha",
     "qunit": "^2.19.0",
     "sass": "^1.51.0",