--- cluster.yaml-orig	2025-05-29 08:23:09.286814851 -0400
+++ cluster.yaml	2025-05-29 08:14:35.748238943 -0400
@@ -11,7 +11,7 @@
       name: ${CLUSTER_NAME}
     spec:
       kafka:
-        version: 2.8.0
+        version: 3.9.0
         replicas: "${{BROKER_REPLICAS}}"
         listeners:
           - name: plain
@@ -30,8 +30,8 @@
           offsets.topic.replication.factor: "${{BROKER_REPLICAS}}"
           transaction.state.log.replication.factor: "${{BROKER_REPLICAS}}"
           transaction.state.log.min.isr: "${{TRX_STATE_LOG_MIN_ISR}}"
-          log.message.format.version: "2.8"
-          inter.broker.protocol.version: "2.8"
+          log.message.format.version: "3.9"
+          inter.broker.protocol.version: "3.9"
         storage:
           type: ephemeral
       zookeeper: