diff --git a/package.json b/package.json
index 8a91d60..8fc2074 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "babel": "4.7.1",
     "body-parser": "1.10.2",
     "commander": "2.6.0",
-    "debug": "2.1.1",
+    "debug": "4.2.0",
     "email-regex": "1.0.0",
     "express": "4.11.0",
     "hostenv": "1.0.1",