diff --git a/package.json b/package.json
index 33eb8e81..5d40d136 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@lodder/grunt-postcss": "3.1.1",
     "autoprefixer": "10.5.0",
-    "cssnano": "7.1.7",
+    "cssnano": "8.0.0",
     "grunt": "1.6.2",
     "grunt-cli": "1.5.0",
     "grunt-concurrent": "3.0.0",