diff --git a/prod-upgrade/kafka/kafka.yaml b/prod-upgrade/kafka/kafka.yaml
index b5b289d..e35706d 100644
--- a/prod-upgrade/kafka/kafka.yaml
+++ b/prod-upgrade/kafka/kafka.yaml
@@ -91,7 +91,7 @@ spec:
   oneReplicaPerNode: true
   configOverrides:
     jvm:
-      - "-Xmx512m"
+      - "-Xmx1024m"
   podTemplate:
     affinity:
       nodeAffinity: