diff --git a/package.json b/package.json
index a069faed..f167b406 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,8 @@
     "chrome-remote-interface": "^0.28.0",
     "compression-webpack-plugin": "^1.1.11",
     "copy-webpack-plugin": "^6.1.0",
-    "css-loader": "^4.3.0",
-    "css-minimizer-webpack-plugin": "^1.3.0",
+    "css-loader": "^5.2.6",
+    "css-minimizer-webpack-plugin": "^3.0.1",
     "eslint": "^7.10.0",
     "eslint-config-standard": "^14.1.1",
     "eslint-config-standard-react": "^9.2.0",