diff --git a/composer.json b/composer.json
index 75b71fd..d0ceefb 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "phpstan/phpstan-deprecation-rules": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpstan/phpstan-strict-rules": "^2.0",
-        "phpunit/phpunit": "^11.5 || ^12.5"
+        "phpunit/phpunit": "^11.5 || ^12.5 || ^13.4.5"
     },
     "conflict": {
         "codeigniter/framework": "*"