diff --git a/deploy/run-production-canary.sh b/deploy/run-production-canary.sh
index 4b3f487..2c9b95c 100644
--- a/deploy/run-production-canary.sh
+++ b/deploy/run-production-canary.sh
@@ -63,6 +63,11 @@ for container in "${containers[@]}"; do
 done
 assert_stable_ids_unchanged
 
+if [[ "${PREPARE_ONLY:-false}" == true ]]; then
+  echo "production ReleaseSet candidate prepared revision=$REVISION"
+  exit 0
+fi
+
 release_json=$(cat <<JSON
 {
   "id":"candidate-$REVISION",