diff --git a/package.json b/package.json
index 3e3d0e3..39efbc3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "cssnano": "^8.0.0",
-    "cssnano-preset-advanced": "^8.0.0",
+    "cssnano-preset-advanced": "^9.0.4",
     "gulp": "^5.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-gzip": "^1.4.2",