diff --git a/package.json b/package.json
index 4d3f293e..c3a8e0d4 100644
--- a/package.json
+++ b/package.json
@@ -192,7 +192,7 @@
     "morgan": "^1.6.1",
     "nodemon": "^1.9.1",
     "nyc": "^12.0.1",
-    "optimize-css-assets-webpack-plugin": "^4.0.3",
+    "optimize-css-assets-webpack-plugin": "^5.0.0",
     "philip": "^2.0.0",
     "place": "^1.1.4",
     "readjson": "^1.1.3",