diff --git a/package.json b/package.json
index 8a81b90..8bf05e3 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "long-timeout": "~0.1.1",
-    "underscore": "~1.8.3"
+    "underscore": "~1.12.1"
   },
   "peerDependencies": {
     "express": "4.x"