diff --git a/package.json b/package.json
index 0d21af5..6346848 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-node-resolve": "^11.2.0",
     "autoprefixer": "^10.2.4",
-    "cssnano": "^4.1.10",
+    "cssnano": "^5.0.1",
     "eslint": "^7.5.0",
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-plugin-import": "^2.17.3",