diff --git a/package.json b/package.json
index 96535ee..2e3cea1 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "gulp-uglify": "^3.0.2",
     "gulp-watch": "^5.0.1",
     "imagemin-jpeg-recompress": "^6.0.0",
-    "imagemin-pngquant": "^8.0.0",
+    "imagemin-pngquant": "^9.0.2",
     "static-server": "^2.2.1"
   }
 }