diff --git a/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/bookkeeper/PulsarRegistrationClientTest.java b/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/bookkeeper/PulsarRegistrationClientTest.java
index 4dcbcda3d9078..5660b3518f1aa 100644
--- a/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/bookkeeper/PulsarRegistrationClientTest.java
+++ b/pulsar-metadata/src/test/java/org/apache/pulsar/metadata/bookkeeper/PulsarRegistrationClientTest.java
@@ -363,6 +363,7 @@ public void testNetworkDelayWithBkZkManager() throws Throwable {
         final String zksConnectionString = zks.getConnectionString();
         final String ledgersRoot = "/test/ledgers-" + UUID.randomUUID();
         // prepare registration manager
+        @Cleanup
         ZooKeeper zk = new ZooKeeper(zksConnectionString, 5000, null);
         final ServerConfiguration serverConfiguration = new ServerConfiguration();
         serverConfiguration.setZkLedgersRootPath(ledgersRoot);