diff --git a/composer.json b/composer.json
index 4aa8d786..c2e40e88 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
         "fzaninotto/faker": "^1.5",
         "graham-campbell/testbench-core": "^1.0",
         "mockery/mockery": "^0.9.4",
-        "phpunit/phpunit": "^4.7.6"
+        "phpunit/phpunit": "^4.8"
     },
     "autoload": {
         "classmap": [