diff --git a/composer.json b/composer.json
index 0c0ba174..47de7647 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
         "nunomaduro/collision": "^3.0",
-        "phpunit/phpunit": "^7.5",
+        "phpunit/phpunit": "^8.5",
         "orchestra/testbench": "^3.8"
     },
     "autoload": {