diff --git a/tools/gce/create_windows_debug_worker.sh b/tools/gce/create_windows_debug_worker.sh
index 6f903b58fe5..3829b71e190 100755
--- a/tools/gce/create_windows_debug_worker.sh
+++ b/tools/gce/create_windows_debug_worker.sh
@@ -49,7 +49,8 @@ gcloud compute instances create "$INSTANCE_NAME" \
     --zone "$ZONE" \
     --machine-type "$MACHINE_TYPE" \
     --image-project google.com:kokoro \
-    --image kokoro-win7build-v9-prod-debug \
+    # The version might need updating.
+    --image kokoro-win7build-v11-prod-debug \
     --boot-disk-size 500 \
     --boot-disk-type pd-ssd \
     --tags=allow-ssh \