diff --git a/package.json b/package.json
index e5555dd..0b266a9 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "version": "1.1.3",
   "license": "MIT",
   "dependencies": {
-    "debug": "*"
+    "debug": "2.2.0"
   },
   "devDependencies": {
     "mocha": "*"