diff --git a/backend/composer.json b/backend/composer.json
index 7f134b1..586e59b 100644
--- a/backend/composer.json
+++ b/backend/composer.json
@@ -15,7 +15,6 @@
         "php": ">=8.1",
         "composer": "^2.7",
         "96qbhy/hyperf-auth": "^3.1",
-        "casbin/casbin": "^4.0",
         "hyperf/amqp": "^3.1",
         "hyperf/cache": "~3.1.0",
         "hyperf/command": "~3.1.0",