diff --git a/package.json b/package.json
index 1abe57c..b0ee1f8 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "messy": "^7.0.0",
     "minimist": "^1.2.0",
     "qs": "^6.5.1",
-    "underscore": "^1.8.3"
+    "underscore": "1.13.7"
   },
   "nyc": {
     "include": [