diff --git a/composer.json b/composer.json
index d5eae1773..5c2ac6692 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
 	},
 	"require-dev": {
 		"phpunit/phpunit": "3.7.*",
-		"cakephp/debug_kit" : "2.2.*",
+		"cakephp/debug_kit" : "^2.2.0",
 		"cakephp/cakephp-codesniffer": "^1.0.0"
 	},
 	"bin": [