diff --git a/package.json b/package.json
index f2df2b9..965570b 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/sujaykumarh/docsify-plugin-footer#readme",
   "devDependencies": {
-    "cssnano": "^5.0.6",
+    "cssnano": "^6.0.1",
     "cssnano-preset-advanced": "^5.1.3",
     "postcss-cli": "^8.3.1",
     "terser": "^5.7.1"