diff --git a/package.json b/package.json
index 61ae7a4..cbb826d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "glob": "^7.1.1",
     "marked": "^0.4.0",
     "memoizee": "^0.4.1",
-    "mkdirp": "^0.5.1"
+    "mkdirp": "^1.0.0"
   },
   "devDependencies": {
     "coveralls": "^3.0.0",