diff --git a/package.json b/package.json
index e5bd3327e95..e7b9c112651 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "grunt-contrib-csslint": "~0.3.1",
     "grunt-contrib-cssmin": "^0.9.0",
     "grunt-contrib-htmlmin": "wet-boew/grunt-contrib-htmlmin#custom",
-    "grunt-contrib-imagemin": "~0.8.1",
+    "grunt-contrib-imagemin": "~0.9.2",
     "grunt-contrib-jshint": "^0.10.0",
     "grunt-contrib-uglify": "~0.5.1",
     "grunt-contrib-watch": "~0.6.1",