.gitignore in ar_json_serialize-0.0.2 vs .gitignore in ar_json_serialize-0.0.3

@@ -2,9 +2,10 @@
 *.rbc
 .bundle
 .config
 .yardoc
 Gemfile*.lock
+gemfiles/*.lock
 InstalledFiles
 _yardoc
 coverage
 doc/
 lib/bundler/man