diff --git a/package.json b/package.json
index 5222a73..c491421 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
       "express-session": "1.13.0",
       "grunt": "1.0.1",
       "grunt-cli": "1.2.0",
-      "underscore": "1.8.3",
+      "underscore": "1.13.6",
       "event-source-polyfill": "1.0.26"
   }
 }