diff --git a/deploy_rln_contract.sh b/deploy_rln_contract.sh
index 70c7a53..22b6f11 100644
--- a/deploy_rln_contract.sh
+++ b/deploy_rln_contract.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e