diff --git a/package.json b/package.json
index 2920762..ff730fb 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "thrift": "0.9.1",
     "node-int64": "0.3.1",
-    "underscore": "1.7.0"
+    "underscore": "1.13.8"
   },
   "devDependencies": {},
   "scripts": {