diff --git a/go.mod b/go.mod
index ccfb892..7bb143d 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/raksul/go-testclient
 
 // Specify to the minimum version that is supported in testing.
 // .github/workflows/test.yml
-go 1.20.0
+go 1.20
 
 require github.com/stretchr/testify v1.8.4