diff --git a/composer.json b/composer.json
index 84531dea..baabd68f 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
     },
     "require-dev": {
         "php-parallel-lint/php-parallel-lint": "^1.3.2",
-        "phpunit/phpunit": "^9.5.24",
+        "phpunit/phpunit": "^9.6.4",
         "rawr/cross-data-providers": "^2.3.0"
     },
     "prefer-stable": true,