diff --git a/package.json b/package.json
index eda8e636..39c4bdb6 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "browser-sync": "^3.0.4",
     "gulp": "^5.0.0",
-    "gulp-autoprefixer": "^7.0.1",
+    "gulp-autoprefixer": "^9.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-cssnano": "^2.1.3",
     "gulp-rename": "^2.0.0",