diff --git a/package.json b/package.json
index 0c827a8b4..997e9c59c 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "babel-loader": "8.4.1",
     "browserify-transform-tools": "1.7.0",
     "css-loader": "5.2.7",
-    "cssnano": "5.1.15",
+    "cssnano": "7.1.7",
     "eliminate": "1.1.2",
     "eslint": "8.33.0",
     "eslint-plugin-mdx": "1.17.1",