diff --git a/composer.json b/composer.json
index e11f2f21..a102784f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     }
   },
   "require-dev": {
-    "phpunit/phpunit": "^10.5|^11.3",
+    "phpunit/phpunit": "12.2.2",
     "guzzlehttp/guzzle": "^7.2"
   },
   "autoload-dev": {