diff --git a/package.json b/package.json
index 1ee5477..255aafd 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,7 @@
     "cpy-cli": "^1.0.1",
     "esdoc": "^0.5.2",
     "eslint": "^3.16.1",
-    "mkdirp": "^0.5.1",
+    "mkdirp": "^1.0.3",
     "glob-fs": "^0.1.6",
     "nyc": "^10.1.2",
     "rimraf": "^2.6.1",