diff --git a/package.json b/package.json
index 2b127b90..a45e583c 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
         "gulp": "4.0.2",
         "gulp-concat": "2.6.1",
         "gulp-livereload": "4.0.2",
-        "gulp-postcss": "9.0.1",
+        "gulp-postcss": "9.1.0",
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.1.0",
         "postcss": "8.4.33",