diff --git a/composer.json b/composer.json
index eb8bd1d..12e4c3e 100755
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.5",
-        "phpunit/phpunit": "^9.6|^10.5|^11.5"
+        "phpunit/phpunit": "12.5.22"
     },
     "autoload": {
         "psr-4": {