diff --git a/ci/test-e2e.sh b/ci/test-e2e.sh
index 8978b80..64cc32a 100755
--- a/ci/test-e2e.sh
+++ b/ci/test-e2e.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -euo pipefail
 
 LOG_DIR="$(pwd)/ci-logs"