diff --git a/changelog.md b/changelog.md
index 4b3b98e0db..115a144a52 100644
--- a/changelog.md
+++ b/changelog.md
@@ -115,6 +115,10 @@
 
 * [2321](https://github.com/zeta-chain/node/pull/2321) - improve documentation for ZetaClient functions and packages
 
+### Performance
+
+* [2482](https://github.com/zeta-chain/node/pull/2482) - increase the outbound tracker buffer length from 2 to 5
+
 ## v17.0.0
 
 ### Fixes
diff --git a/x/crosschain/keeper/msg_server_add_outbound_tracker.go b/x/crosschain/keeper/msg_server_add_outbound_tracker.go
index 5a3c98e9e9..2bfb63d8ab 100644
--- a/x/crosschain/keeper/msg_server_add_outbound_tracker.go
+++ b/x/crosschain/keeper/msg_server_add_outbound_tracker.go
@@ -15,7 +15,7 @@ import (
 )
 
 // MaxOutboundTrackerHashes is the maximum number of hashes that can be stored in the outbound transaction tracker
-const MaxOutboundTrackerHashes = 2
+const MaxOutboundTrackerHashes = 5
 
 // AddOutboundTracker adds a new record to the outbound transaction tracker.
 // only the admin policy account and the observer validators are authorized to broadcast this message without proof.