diff --git a/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml b/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
index 8fabd0f..a42a6c8 100644
--- a/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
+++ b/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
@@ -34,8 +34,8 @@ spec:
           nodePort: 32700
     config:
       # max.request.size: x
-      message.max.bytes: 5368709120
-      replica.fetch.max.bytes: 5368709120
+      message.max.bytes: 2147483647
+      replica.fetch.max.bytes: 2147483647
       offsets.topic.replication.factor: 1
       transaction.state.log.replication.factor: 1
       transaction.state.log.min.isr: 1