diff --git a/composer.json b/composer.json
index 9edaab9..f92591e 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "nesbot/carbon": "^3.6"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.3.2"
+        "phpunit/phpunit": "^11.3.6"
     },
     "autoload": {
         "psr-4": {