diff --git a/composer.json b/composer.json
index a3b00fa..89d71e3 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
         "slevomat/coding-standard": "^8.13"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6.11",
+        "phpunit/phpunit": "^11.2.6",
         "vimeo/psalm": "^5.15.0"
     },
     "autoload": {