diff --git a/composer.json b/composer.json
index 4d035b7..c376e3e 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "require-dev": {
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
-        "phpunit/phpunit": "^7.0",
+        "phpunit/phpunit": "^8.2",
         "mikey179/vfsStream": "^1.6"
     },
     "bin": [