diff --git a/package.json b/package.json
index 04d2a2324f..d11e8ff8a1 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "grunt-contrib-concat": "~0.5.1",
     "grunt-contrib-copy": "~0.8.2",
     "grunt-contrib-cssmin": "~0.14.0",
-    "grunt-contrib-imagemin": "~0.9.4",
+    "grunt-contrib-imagemin": "~1.0.0",
     "grunt-contrib-jshint": "~0.11.3",
     "grunt-contrib-qunit": "~0.7.0",
     "grunt-contrib-uglify": "~0.10.0",