diff --git a/values.yaml b/values.yaml
index 8f35c62..5d08268 100644
--- a/values.yaml
+++ b/values.yaml
@@ -26,6 +26,8 @@
   loggingRepository: docker.elastic.co
   loggingImage: beats/filebeat:5.5.0
   restartPolicy: Always
+  cassandra:
+    replicas: 3
 
 # application image
 dockerhubRepository: registry.hub.docker.com