diff --git a/package.json b/package.json
index eceb158..5bef9b2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@csstools/convert-colors": "^1.4.0",
-    "postcss": "^7.0.2",
+    "postcss": "^8.1.2",
     "postcss-values-parser": "^2.0.0"
   },
   "devDependencies": {