diff --git a/package.json b/package.json
index 74ce976..6a49554 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
         "tailwindcss": "^1.1.2"
     },
     "devDependencies": {
-        "cssnano": "^4.1.10",
+        "cssnano": "^5.0.6",
         "eslint": "^6.3.0",
         "eslint-config-prettier": "^6.1.0",
         "eslint-plugin-prettier": "^3.1.0",