diff --git a/composer.json b/composer.json
index e5ec9a8..098e900 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "doctrine/lexer": "^3.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^11.0"
+    "phpunit/phpunit": "^13.0"
   },
   "autoload": {
     "psr-4": {