diff --git a/dc-metro-map/package.json b/dc-metro-map/package.json
index fca79387..452b5bef 100644
--- a/dc-metro-map/package.json
+++ b/dc-metro-map/package.json
@@ -8,7 +8,7 @@
   "dependencies": {
     "body-parser": "~1.13.2",
     "cookie-parser": "~1.3.5",
-    "debug": "~2.2.0",
+    "debug": "~4.1.1",
     "express": "~4.13.1",
     "jade": "~1.11.0",
     "morgan": "~1.9.1",