diff --git a/package.json b/package.json
index dc11e0c..0b38209 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "formidable": ">=1.0.11",
     "imagemagick": ">=0.1.2",
     "lodash": ">= 0.9.2",
-    "mkdirp": ">= 0.3.4",
+    "mkdirp": "<1.0.0",
     "async": "*"
   },
   "engines": {