diff --git a/composer.json b/composer.json
index 5a8f22e..df59960 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
   },
   "require": {
     "php": ">= 8.0",
-    "game-worker/kiri-client": "dev-master",
+    "game-worker/kiri-client": "~v2.6",
     "game-worker/kiri-container": "~v1.9",
     "psr/container": "*"
   },