diff --git a/examples/storage/cassandra/cassandra-statefulset.yaml b/examples/storage/cassandra/cassandra-statefulset.yaml
index c16ca6030cd..62d7d2a7131 100644
--- a/examples/storage/cassandra/cassandra-statefulset.yaml
+++ b/examples/storage/cassandra/cassandra-statefulset.yaml
@@ -10,6 +10,7 @@ spec:
       labels:
         app: cassandra
     spec:
+      terminationGracePeriodSeconds: 1800
       containers:
       - name: cassandra
         image: gcr.io/google-samples/cassandra:v12