diff --git a/.gitignore b/.gitignore
index 23e0690..f4c756f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,6 @@ test/version_tmp
 tmp
 **/.DS_Store
 .DS_Store
+
+/.ruby-gemset
+/.ruby-version
diff --git a/Gemfile b/Gemfile
index d735ea6..0390269 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,8 +1,8 @@
-source :rubygems
+source 'https://rubygems.org'
 
 gemspec
 
 gem "awesome_print"
 gem "yard"
 gem "redcarpet"
-gem "guard-rspec"
\ No newline at end of file
+gem "guard-rspec"