diff --git a/composer.json b/composer.json
index 108f1a8..7155e09 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "phpstan/phpstan": "^1.0.0",
         "phpstan/phpstan-phpunit": "^1.0.0",
         "phpstan/phpstan-strict-rules": "^1.0.0",
-        "phpunit/phpunit": "^10.3",
+        "phpunit/phpunit": "^11.0",
         "psr-mock/http": "^1.0",
         "thecodingmachine/phpstan-safe-rule": "^1.0"
     },