diff --git a/package.json b/package.json
index 5b7d4177..35e6a936 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "grunt-replace": "0.11.0",
     "grunt-spritesmith": "6.3.0",
     "jasmine-core": "2.1.0",
-    "karma": "0.13.20",
+    "karma": "0.13.21",
     "karma-chrome-launcher": "0.2.2",
     "karma-jasmine": "0.3.7",
     "karma-phantomjs-launcher": "0.2.3",