diff --git a/composer.json b/composer.json
index bffd75091..77b21f42a 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "guzzlehttp/guzzle": "^6.3",
     "league/flysystem-aws-s3-v3": "^1.0.13",
     "phpunit/phpunit" : "^6.2",
-    "mockery/mockery": "^0.9.4",
+    "mockery/mockery": "^1.0",
     "orchestra/testbench": "~3.5.0",
     "doctrine/dbal": "^2.5.2"
   },