diff --git a/package.json b/package.json
index 2c4307f..f79729e 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "connect-flash": "^0.1.1",
     "cookie-parser": "~1.4.3",
     "crypto": "^1.0.1",
-    "debug": "~2.2.0",
+    "debug": "~4.1.1",
     "excel4node": "^1.2.0",
     "express": "~4.13.4",
     "express-fileupload": "^0.4.0",