diff --git a/.helm/cassandra/values.yaml b/.helm/cassandra/values.yaml
index 9f092d05d..0838a52e5 100644
--- a/.helm/cassandra/values.yaml
+++ b/.helm/cassandra/values.yaml
@@ -5,4 +5,12 @@ initDBConfigMap: init-db
 
 # resources:
 #   limits:
-#     memory: 4Gi
\ No newline at end of file
+#     memory: 4Gi
+
+resources:
+  limits:
+     memory: 4Gi
+
+jvm:
+  maxHeapSize: 2G
+  newHeapSize: 800M