diff --git a/golang-sample/cloudbuild.yaml b/golang-sample/cloudbuild.yaml
index 2f79c651..4dfdf3c6 100644
--- a/golang-sample/cloudbuild.yaml
+++ b/golang-sample/cloudbuild.yaml
@@ -15,7 +15,7 @@
 # [START cloudbuild_go_test_yaml]
 steps:
   # Run tests and save to file
-  - name: golang:1.20
+  - name: golang:1.21
     entrypoint: /bin/bash
     args: 
       - -c