diff --git a/package.json b/package.json
index 045564e92..a7ed63d30 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "bugsnag-js": "^2.4.7",
     "classnames": "^2.1.5",
     "coveralls": "^2.11.2",
-    "deep-extend": "^0.4.0",
+    "deep-extend": "^0.5.1",
     "dockerode": "^2.2.7",
     "install": "^0.1.8",
     "jquery": "^2.1.3",