diff --git a/ics-collector/debugger/composer.json b/ics-collector/debugger/composer.json
index 914e020..b5c112c 100644
--- a/ics-collector/debugger/composer.json
+++ b/ics-collector/debugger/composer.json
@@ -10,6 +10,6 @@
     ],
     "require": {},
     "require-dev": {
-        "phpunit/phpunit": "4.8.36"
+        "phpunit/phpunit": "11.3.6"
     }
 }