diff --git a/go.mod b/go.mod
index 0eedab8..bb2df11 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module gitea.com/texpixel/document_ai
 
-go 1.23
+go 1.20
 
 require (
 	github.com/alibabacloud-go/darabonba-openapi v0.2.1
@@ -75,7 +75,7 @@ require (
 	golang.org/x/arch v0.8.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
 	golang.org/x/text v0.20.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	google.golang.org/protobuf v1.34.1 // indirect