diff --git a/composer.json b/composer.json
index af3c9b4688..82715b949c 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "psr/container": "^2.0",
         "psr/simple-cache": "^1.0|^2.0|^3.0",
         "psr/http-message": "^1.0",
-        "topthink/think-orm": "^3.0",
+        "topthink/think-orm": "^3.0|^4.0",
         "topthink/think-helper": "^3.1"
     },
     "require-dev": {