diff --git a/build.script b/build.sh
similarity index 82%
rename from build.script
rename to build.sh
index a50ddee..e15167e 100644
--- a/build.script
+++ b/build.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 git pull origin master
 npm run build
 pm2 restart arena