diff --git a/index.js b/index.js
index b5df488..8af9aa9 100644
--- a/index.js
+++ b/index.js
@@ -7,3 +7,8 @@ exports.pedersenHash = require("./src/pedersenHash");
 exports.SMT = require("./src/smt").SMT;
 exports.SMTMemDB = require("./src/smt_memdb");
 exports.poseidon = require("./src/poseidon");
+exports.leInt2Buff = require("./src/utils").leInt2Buff;
+exports.leBuff2int = require("./src/utils").leBuff2int;
+
+
+