diff --git a/go.mod b/go.mod
index a18ac45d..4b0c1cef 100644
--- a/go.mod
+++ b/go.mod
@@ -21,6 +21,7 @@ require (
 	github.com/modelcontextprotocol/go-sdk v1.2.0
 	github.com/open-dingtalk/dingtalk-stream-sdk-go v0.9.1
 	github.com/pkoukk/tiktoken-go v0.1.8
+	github.com/robfig/cron/v3 v3.0.1
 	go.uber.org/zap v1.26.0
 	golang.org/x/time v0.14.0
 	gopkg.in/yaml.v3 v3.0.1