diff --git a/composer.json b/composer.json
index e5951b33..83328f1c 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,8 @@
 		"php": ">=5.3.0"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "*"
+		"phpunit/phpunit": "*",
+        "mockery/mockery": ">=0.7.2"
 	},
 	"repositories": [
 		{