diff --git a/composer.json b/composer.json
index f65ddc24..355a2f38 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "composer-runtime-api": "^2.0",
     "psr/container": "^2.0",
     "psr/http-server-middleware": "1.0.1",
-    "game-worker/kiri-event": "^v2.0",
+    "game-worker/kiri-event": "~v2.0",
     "ext-inotify": "*"
   },
   "autoload": {