diff --git a/package.json b/package.json
index 66235e8..310be9b 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "ansi-regex": "^3.0.0",
     "columnify": "^1.5.4",
     "common-tags": "^1.8.0",
-    "deep-assign": "^2.0.0",
+    "deep-assign": "^3.0.0",
     "es6-promisify": "^6.0.0",
     "get-stdin": "^6.0.0",
     "lodash": "^4.17.10",