diff --git a/masterNode/composer.json b/masterNode/composer.json
index d638110..0c94110 100644
--- a/masterNode/composer.json
+++ b/masterNode/composer.json
@@ -12,7 +12,7 @@
     },
     "require-dev": {
         "fzaninotto/faker": "1.9.1",
-        "mockery/mockery": "0.9.11",
+        "mockery/mockery": "1.4.0",
         "phpunit/phpunit": "5.7.27"
     },
     "autoload": {