diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 98c229c..eda32f9 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 if [[ ! -z "${CUSTOM_CERT}" ]]; then