diff --git a/packages/opticss/package.json b/packages/opticss/package.json
index fb67f47..9c8d17e 100644
--- a/packages/opticss/package.json
+++ b/packages/opticss/package.json
@@ -47,7 +47,7 @@
     "css-property-parser": "^1.0.5",
     "debug": "^4.1.1",
     "object.values": "^1.0.4",
-    "postcss": "^7.0.14",
+    "postcss": "^8.2.10",
     "postcss-selector-parser": "^6.0.2",
     "source-map": "^0.7.3",
     "source-map-support": "^0.5.3",