diff --git a/composer.json b/composer.json
index c10f037..dda489e 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "require-dev": {
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
-        "phpunit/phpunit": "^7.0"
+        "phpunit/phpunit": "^8.2"
     },
     "autoload": {
         "psr-4": {