diff --git a/web3.js/src/index.ts b/web3.js/src/index.ts
index 60b1585b1..594573720 100644
--- a/web3.js/src/index.ts
+++ b/web3.js/src/index.ts
@@ -25,6 +25,7 @@ export * from './errors';
 export * from './util/borsh-schema';
 export * from './util/send-and-confirm-transaction';
 export * from './util/send-and-confirm-raw-transaction';
+export * from './util/tx-expiry-custom-errors';
 export * from './util/cluster';
 
 /**