diff --git a/composer.json b/composer.json
index 0dca7c3..79d32c7 100644
--- a/composer.json
+++ b/composer.json
@@ -10,11 +10,12 @@
         }
     ],
     "require": {
-        "micro/plugin-http-core": "^1"
+        "micro/plugin-http-core": "^1.6"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.29",
         "friendsofphp/php-cs-fixer": "^3.13",
+        "micro/kernel-app": "^1.6",
         "phpstan/phpstan": "^1.9",
         "phpunit/php-code-coverage": "^9.2",
         "phpunit/phpunit": "^9.5",