diff --git a/kafka-resources/base/kafka-core/kafka-das-params-topic.yaml b/kafka-resources/base/kafka-core/kafka-das-params-topic.yaml
index 0f3eded..f21d887 100644
--- a/kafka-resources/base/kafka-core/kafka-das-params-topic.yaml
+++ b/kafka-resources/base/kafka-core/kafka-das-params-topic.yaml
@@ -13,4 +13,4 @@ spec:
     # http://kafka.apache.org/documentation/#topicconfigs
     # max.message.bytes: x
     cleanup.policy: compact
-    max.message.bytes: 1073741824
+    max.message.bytes: 5368709120
diff --git a/kafka-resources/base/kafka-core/kafka-das-topic.yaml b/kafka-resources/base/kafka-core/kafka-das-topic.yaml
index 70147e1..8f18035 100644
--- a/kafka-resources/base/kafka-core/kafka-das-topic.yaml
+++ b/kafka-resources/base/kafka-core/kafka-das-topic.yaml
@@ -13,4 +13,4 @@ spec:
     # http://kafka.apache.org/documentation/#topicconfigs
     # max.message.bytes: x
     cleanup.policy: compact
-    max.message.bytes: 1073741824
+    max.message.bytes: 5368709120
diff --git a/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml b/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
index 3042fe6..8fabd0f 100644
--- a/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
+++ b/kafka-resources/base/kafka-core/kafka-persistent-cluster.yaml
@@ -34,7 +34,8 @@ spec:
           nodePort: 32700
     config:
       # max.request.size: x
-      message.max.bytes: 1073741824
+      message.max.bytes: 5368709120
+      replica.fetch.max.bytes: 5368709120
       offsets.topic.replication.factor: 1
       transaction.state.log.replication.factor: 1
       transaction.state.log.min.isr: 1