diff --git a/gradle-example/cloudbuild.yaml b/gradle-example/cloudbuild.yaml
index d72c03d2..1c3c479a 100644
--- a/gradle-example/cloudbuild.yaml
+++ b/gradle-example/cloudbuild.yaml
@@ -14,10 +14,10 @@
 
 # [START cloudbuild_gradle]
 steps:
-  - name: gradle:8-jdk21
+  - name: gradle:9-jdk21
     entrypoint: gradle
     args: ["test"]
-  - name: gradle:8-jdk21
+  - name: gradle:9-jdk21
     entrypoint: gradle
     args: ["assemble"]
   - name: gcr.io/cloud-builders/docker