diff --git a/package.json b/package.json
index 528f204..2f1b847 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "gulp-flatmap": "1.0.2",
     "gulp-header": "2.0.9",
     "gulp-optimize-js": "1.1.0",
-    "gulp-postcss": "9.1.0",
+    "gulp-postcss": "10.0.0",
     "gulp-rename": "2.0.0",
     "gulp-sass": "5.1.0",
     "gulp-terser": "2.1.0",