1 files changed, 1 insertions, 1 deletions
diff --git a/.buildkite/scripts/test_old_deps.sh b/.buildkite/scripts/test_old_deps.sh
index 28e6694b5d..9fe5b696b0 100755
--- a/.buildkite/scripts/test_old_deps.sh
+++ b/.buildkite/scripts/test_old_deps.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # this script is run by buildkite in a plain `xenial` container; it installs the
 # minimal requirements for tox and hands over to the py35-old tox environment.