diff --git a/composer.json b/composer.json
index fb6c196..333acc4 100644
--- a/composer.json
+++ b/composer.json
@@ -16,8 +16,8 @@
     "psr/log": "^1.0",
     "psr/event-dispatcher": "^1.0",
     "symfony/console": "^v8.0",
-    "game-worker/kiri-core": "^v1.0",
-    "game-worker/kiri-http-server": "^v1.0"
+    "game-worker/kiri-core": "dev-master",
+    "game-worker/kiri-http-server": "dev-master"
   },
   "autoload": {
     "psr-4": {