diff --git a/package.json b/package.json
index 63fd056..47f82d0 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "co-fs": "^1.2.0",
     "co-timeout": "^0.1.0",
     "commander": "^2.2.0",
-    "debug": "^1.0.2",
+    "debug": "^4.1.1",
     "gnode": "^0.1.0",
     "incasesensitive": "^1.0.0",
     "koa": "^0.8.1",