diff --git a/clusters/yc-k8s-test/infrastructure/patches/kafka.yaml b/clusters/yc-k8s-test/infrastructure/patches/kafka.yaml
index d8d45c6..23ac9f1 100644
--- a/clusters/yc-k8s-test/infrastructure/patches/kafka.yaml
+++ b/clusters/yc-k8s-test/infrastructure/patches/kafka.yaml
@@ -27,6 +27,12 @@ spec:
       client:
         protocol: SASL_SSL
         sslClientAuth: "none"
+    config:
+      offsets.topic.replication.factor: 1
+      transaction.state.log.replication.factor: 1
+      transaction.state.log.min.isr: 1
+      default.replication.factor: 1
+      min.insync.replicas: 1
     provisioning:
       enabled: false
     sasl: