diff --git a/package.json b/package.json
index b89823e..54ef9bf 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "node-mitmproxy": "3.1.1",
     "nopt": "3.0.x",
     "through2": "^2.0.5",
-    "underscore": "1.7.x"
+    "underscore": "1.12.x"
   },
   "devDependencies": {
     "babel-cli": "^6.6.5",
diff --git a/yarn.lock b/yarn.lock
index 71fc6cb..9ffc983 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3772,9 +3772,9 @@ uid-safe@~2.0.0:
   dependencies:
     base64-url "1.2.1"
 
-underscore@1.7.x:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.7.0.tgz#6bbaf0877500d36be34ecaa584e0db9fef035209"
+underscore@1.12.x:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
 
 underscore@~1.4.4:
   version "1.4.4"