diff --git a/compose.yaml b/compose.yaml
index 46eb8b3..f7ccaec 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -13,21 +13,9 @@ services:
       - .:/workspace:cached
     working_dir: /workspace
 
-  nats-1:
+  nats:
     image: nats
-    command: -c /etc/server.conf --name nats-1 -p 4222 -m 8222
-    volumes:
-      - ./docker/nats/server.conf:/etc/server.conf
-
-  nats-2:
-    image: nats
-    command: -c /etc/server.conf --name nats-2 -p 4222 -m 8222
-    volumes:
-      - ./docker/nats/server.conf:/etc/server.conf
-
-  nats-3:
-    image: nats
-    command: -c /etc/server.conf --name nats-3 -p 4222 -m 8222
+    command: -c /etc/server.conf -p 4222 -m 8222
     volumes:
       - ./docker/nats/server.conf:/etc/server.conf
 
diff --git a/docker/nats/server.conf b/docker/nats/server.conf
index 060c021..70fa17f 100644
--- a/docker/nats/server.conf
+++ b/docker/nats/server.conf
@@ -13,12 +13,3 @@ accounts: {
 }
 
 jetstream {}
-
-cluster: {
-  name: RU,
-  port: 6222,
-  routes: [
-    "nats://nats-1:6222"
-    "nats://nats-2:6222"
-  ]
-}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index aa1a56e..deeef1f 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -12,7 +12,7 @@
          requireCoverageMetadata="true"
 >
     <php>
-        <env name="THESIS_NATS_DSN" value="tcp://user:Pswd1@nats-1:4222?no_responders=true" />
+        <env name="THESIS_NATS_DSN" value="tcp://user:Pswd1@nats:4222?no_responders=true" />
         <env name="THESIS_NATS_JWT_DSN" value="tcp://nats-jwt:4222?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJlZDI1NTE5LW5rZXkifQ.eyJqdGkiOiJVT1VSVldRTkpBSUgzSUhBSFRKQ1hOSEFFWTc2RzdXNEtBVlNQRUpZUDNQTTIyWEFDTTJBIiwiaWF0IjoxNzYxMjI0MDE4LCJpc3MiOiJBQlg1TVlTUUpCMlNWUUlXREo2SEZSWkxOM1ZMVzJQRkpOVDNHUDRDTUZHN0xRQ1M1SjM0RUdKSiIsIm5hbWUiOiJ1c2VyX25rZXkiLCJzdWIiOiJVRFBCNlRYV1VRMzNQUkhURjJGSlRQRVJISE43NldIS0VVWURNTEtRWlgyTTZIWUFHUkYySkpTWSIsIm5hdHMiOnsicHViIjp7fSwic3ViIjp7fSwic3VicyI6LTEsImRhdGEiOi0xLCJwYXlsb2FkIjotMSwidHlwZSI6InVzZXIiLCJ2ZXJzaW9uIjoyfX0.4D2PgQMgWzuIhy0LvE0Fy-w84I1AfEdXIb94nrVAkb_s_AdPOoCrQUANsGODLnXb_hel24vo7bATiCUeco1xDQ&amp;nkey=SUADBUTF4FNCHZ7O4BXK35KYAMMDRZFL2DOXCNRGHLQOC5HPJB6TOCTDCQ" />
     </php>
 
diff --git a/src/JetStream/KeyValue/Bucket.php b/src/JetStream/KeyValue/Bucket.php
index 8231a23..1b41e07 100644
--- a/src/JetStream/KeyValue/Bucket.php
+++ b/src/JetStream/KeyValue/Bucket.php
@@ -71,10 +71,10 @@ public function get(string $key, int $revision = 0): ?Entry
      * @param non-empty-string $key
      * @return non-negative-int
      */
-    public function put(string $key, ?string $value = null): int
+    public function put(string $key, ?string $value = null, ?Headers $headers = null): int
     {
         return $this->js
-            ->publish($this->prefixedSubject($key), new Message($value))
+            ->publish($this->prefixedSubject($key), new Message($value, $headers))
             ->seq ?? throw new \LogicException('Sequence expected on kv publish');
     }