diff --git a/composer.json b/composer.json
index 41a1d0532..7f69ea9e2 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   "require-dev": {
     "guzzlehttp/promises": "^2.0",
     "squizlabs/php_codesniffer": "^3.5",
-    "phpunit/phpunit": "^9.6",
+    "phpunit/phpunit": "^11.0",
     "phpspec/prophecy-phpunit": "^2.1",
     "sebastian/comparator": ">=1.2.3",
     "phpseclib/phpseclib": "^3.0.35",