diff --git a/download_slashing_interchange_tests.sh b/download_slashing_interchange_tests.sh
index 6704eed..165cf99 100755
--- a/download_slashing_interchange_tests.sh
+++ b/download_slashing_interchange_tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eu
 
diff --git a/download_test_vectors.sh b/download_test_vectors.sh
index c19779e..434f383 100755
--- a/download_test_vectors.sh
+++ b/download_test_vectors.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eu