diff --git a/go.mod b/go.mod
index 514a17f4cbc..0956cb145a6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/pingcap/tiflow
 
-go 1.20
+go 1.21
 
 require (
 	cloud.google.com/go/storage v1.30.1