diff --git a/build.sh b/build.sh
index a7be8ae7..f8f6e50f 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 now=$(date +'%Y-%m-%d_%T')
 go build -a -ldflags "-linkmode external -extldflags '-static' -s -w -X main.sha1ver=`git rev-parse HEAD` -X main.buildTime=$now"  -o main main.go