diff --git a/composer.json b/composer.json
index 16a9081..7885b03 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "require": {
         "php": ">=8.1.0",
         "topthink/framework": "^8.0",
-        "topthink/think-orm": "^4.0",
+        "topthink/think-orm": "4.0.3",
         "topthink/think-multi-app": "^1.1.0",
         "topthink/think-view": "^2.0",
         "topthink/think-captcha": "^3.0",