.gitignore in jb-0.5.0 vs .gitignore in jb-0.6.0

@@ -1,7 +1,8 @@
 /.bundle/
 /.yardoc
 /Gemfile.lock
+gemfiles/*.lock
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/