diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52fa12d523659..b3c5d731af082 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - `opensearch.bat` and `opensearch-service.bat install` failing to run, missing logs directory ([#4305](https://github.com/opensearch-project/OpenSearch/pull/4305))
 - Restore using the class ClusterInfoRequest and ClusterInfoRequestBuilder from package 'org.opensearch.action.support.master.info' for subclasses ([#4307](https://github.com/opensearch-project/OpenSearch/pull/4307))
 - Do not fail replica shard due to primary closure ([#4133](https://github.com/opensearch-project/OpenSearch/pull/4133))
+- Add timeout on Mockito.verify to reduce flakyness in testReplicationOnDone test([#4314](https://github.com/opensearch-project/OpenSearch/pull/4314))
 
 ### Security
 
diff --git a/server/src/test/java/org/opensearch/indices/replication/SegmentReplicationTargetServiceTests.java b/server/src/test/java/org/opensearch/indices/replication/SegmentReplicationTargetServiceTests.java
index d3a6d1a97dacc..de739f4ca834a 100644
--- a/server/src/test/java/org/opensearch/indices/replication/SegmentReplicationTargetServiceTests.java
+++ b/server/src/test/java/org/opensearch/indices/replication/SegmentReplicationTargetServiceTests.java
@@ -252,9 +252,8 @@ public void testReplicationOnDone() throws IOException {
         SegmentReplicationTargetService.SegmentReplicationListener listener = captor.getValue();
         listener.onDone(new SegmentReplicationState(new ReplicationLuceneIndex()));
         doNothing().when(spy).onNewCheckpoint(any(), any());
-        verify(spy, timeout(0).times(2)).onNewCheckpoint(eq(anotherNewCheckpoint), any());
+        verify(spy, timeout(100).times(2)).onNewCheckpoint(eq(anotherNewCheckpoint), any());
         closeShard(indexShard, false);
-
     }
 
     public void testBeforeIndexShardClosed_CancelsOngoingReplications() {