diff --git a/package.json b/package.json
index 6638bec..147d642 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "live-server": "^1.2.0",
     "nsp": "^2.6.3",
     "postcss-cli": "^4.0.0",
-    "postcss-cssnext": "^2.11.0",
+    "postcss-cssnext": "^3.0.0",
     "postcss-import": "^10.0.0",
     "stylelint": "^7.10.0"
   },