diff --git a/backend/go.mod b/backend/go.mod
index 43f1d8ef26d..6a438214b1e 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -1,8 +1,6 @@
 module github.com/apache/incubator-devlake
 
-go 1.21.0
-
-toolchain go1.23.0
+go 1.20
 
 require (
 	github.com/cockroachdb/errors v1.11.1