diff --git a/composer.json b/composer.json
index 22b30b2..7e74711 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "require-dev": {
         "orchestra/testbench": "^7.14",
         "orchestra/testbench-core": "^7.14",
-        "phpunit/phpunit": "^9.5.21",
+        "phpunit/phpunit": "^9.6.17",
         "vimeo/psalm": "4.24.0"
     },
     "config": {