diff --git a/package.json b/package.json
index ae847af..3638e6e 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "babel-eslint": "^10.1.0",
     "eslint-config-rollup": "^0.1.0",
     "parcel-plugin-metaimage": "^1.2.3",
-    "postcss": "6.0.23",
+    "postcss": "8.4.31",
     "postcss-cli": "^7.1.1",
     "postcss-cssnext": "^3.1.0",
     "postcss-discard-comments": "^4.0.2",