diff --git a/docker-install.sh b/docker-install.sh
index 6448ed7..47509ea 100644
--- a/docker-install.sh
+++ b/docker-install.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 sudo apt-get update;
 sudo apt-get install ca-certificates curl;
 sudo install -m 0755 -d /etc/apt/keyrings;