diff --git a/composer.json b/composer.json
index 3f688e2..007d361 100644
--- a/composer.json
+++ b/composer.json
@@ -25,9 +25,9 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.4.0",
-        "phpunit/phpunit": "10.2.6",
+        "phpunit/phpunit": "10.3.5",
         "psalm/plugin-phpunit": "^0.18.4",
-        "phpstan/phpstan": "1.10.25",
+        "phpstan/phpstan": "1.10.34",
         "laminas/laminas-test": "^4.8",
         "phpstan/extension-installer": "^1.2",
         "slam/phpstan-laminas-framework": "^1.4"