diff --git a/{{cookiecutter.project_slug}}/package.json b/{{cookiecutter.project_slug}}/package.json
index 90ac6376..e1d142a3 100644
--- a/{{cookiecutter.project_slug}}/package.json
+++ b/{{cookiecutter.project_slug}}/package.json
@@ -12,7 +12,7 @@
     "css-loader": "^6.5.1",
     "gulp-concat": "^2.6.1",
     "concurrently": "^7.0.0",
-    "cssnano": "^5.0.11",
+    "cssnano": "^6.0.1",
     "gulp": "^4.0.2",
     "gulp-imagemin": "^7.1.0",
     "gulp-plumber": "^1.2.1",