diff --git a/package.json b/package.json
index bd325bba..79184a1c 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "async": "2.6.0",
     "body-parser": "1.18.2",
     "cookie-parser": "1.4.3",
-    "debug": "3.1.0",
+    "debug": "4.0.0",
     "express": "4.16.2",
     "express-graphql": "0.6.11",
     "graphql": "0.11.7",