diff --git a/package.json b/package.json
index fa7f12b4..d2a3c929 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "grunt-babel": "^6.0.0",
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-connect": "^0.11.2",
-    "grunt-contrib-copy": "^0.8.0",
+    "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-qunit": "^1.0.1",
     "grunt-contrib-stylus": "^1.0.0",
     "grunt-contrib-watch": "^0.6.1",