diff --git a/.ci/license-header.sh b/.ci/license-header.sh
index d14d5adf42..2253a74638 100755
--- a/.ci/license-header.sh
+++ b/.ci/license-header.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 HEADER="$(cat "$PWD/.ci/license/header.txt")"