diff --git a/codegen.sh b/codegen.sh
index b0094888..4cdc6ba7 100755
--- a/codegen.sh
+++ b/codegen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script serves as an example to demonstrate how to generate the gRPC-Go
 # interface and the related messages from .proto file.
diff --git a/coverage.sh b/coverage.sh
index 12023537..b85f9181 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
 
 set -e