diff --git a/vault/run.sh b/vault/run.sh
index e5a39b7..6e12ae2 100644
--- a/vault/run.sh
+++ b/vault/run.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 BOLD='\033[0;1m'