diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index fa75df1..1950c00
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,3 @@
-source 'https://rubygems.org'
+mammoth_service', git: 'git://github.com/MammothHR/mammoth_service.git', tag: 'v0.7.0'
 
 gemspec