diff --git a/package.json b/package.json
index 02bbb79..c7abd08 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "node-libs-browser": "2.0.0",
     "normalize.css": "7.0.0",
     "phantomjs-prebuilt": "2.1.16",
-    "postcss": "6.0.8",
+    "postcss": "8.4.31",
     "postcss-cssnext": "3.1.0",
     "postcss-import": "10.0.0",
     "postcss-loader": "2.0.6",