diff --git a/topics/events.yaml b/topics/events.yaml
index 6d44e36b..b5c64b49 100644
--- a/topics/events.yaml
+++ b/topics/events.yaml
@@ -15,4 +15,5 @@ schemas:
     examples:
       - events/1/
 topic_creation_config:
+  max.message.bytes: "25000000"
   message.timestamp.type: LogAppendTime
diff --git a/topics/transactions.yaml b/topics/transactions.yaml
index 0fcff91d..49d309c0 100644
--- a/topics/transactions.yaml
+++ b/topics/transactions.yaml
@@ -15,4 +15,5 @@ schemas:
     examples:
       - transactions/1/
 topic_creation_config:
+  max.message.bytes: "25000000"
   message.timestamp.type: LogAppendTime