diff --git a/composer.json b/composer.json
index 91f7344..35376a4 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "psr/container": "^2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^11.4",
+        "phpunit/phpunit": "^12.0",
         "mockery/mockery": "^1.4",
         "squizlabs/php_codesniffer": "^3.11",
         "noem/composer-file-embed": "dev-master",