diff --git a/c_src/buildlib.sh b/c_src/buildlib.sh
index c22be69..5ded133 100755
--- a/c_src/buildlib.sh
+++ b/c_src/buildlib.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 if [ `basename $PWD` != "c_src" ]; then
     pushd c_src
diff --git a/rebar b/rebar
index c4c44f5..65facb5 100755
Binary files a/rebar and b/rebar differ