diff --git a/packages/building-utils/package.json b/packages/building-utils/package.json
index 501c5c76..686dd9fe 100644
--- a/packages/building-utils/package.json
+++ b/packages/building-utils/package.json
@@ -36,7 +36,7 @@
     "arrify": "^2.0.1",
     "browserslist": "^4.16.0",
     "chokidar": "^3.4.3",
-    "clean-css": "^4.2.1",
+    "clean-css": "^4.2.3",
     "clone": "^2.1.2",
     "core-js-bundle": "^3.8.1",
     "deepmerge": "^4.2.2",