diff --git a/package.json b/package.json
index 9a41dda..655bb9e 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "gulp-if": "^2.0.2",
     "gulp-imagemin": "^5.0.0",
     "gulp-plumber": "^1.2.0",
-    "gulp-postcss": "^8.0.0",
+    "gulp-postcss": "^9.0.0",
     "gulp-sass": "^4.0.1",
     "gulp-size": "^3.0.0",
     "gulp-sourcemaps": "^2.6.4",