diff --git a/package.json b/package.json
index 35076a15aa..5d6191ef13 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
     "chai-as-promised": "7.1.1",
     "conventional-changelog-cli": "2.0.1",
     "conventional-changelog-lint": "2.1.1",
-    "copy-dir": "0.3.0",
+    "copy-dir": "0.4.0",
     "coveralls": "3.0.2",
     "deepcopy": "0.6.3",
     "doctoc": "1.3.1",