diff --git a/package.json b/package.json
index 817f79c..268ba8b 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "browserify": "4.1.9",
     "convert-source-map": "1.1.1",
-    "debug": "2.2.0",
+    "debug": "4.1.1",
     "filewatcher": "3.0.0",
     "mime": "1.2.11",
     "ready-signal": "1.3.0",