.gitignore in sidekiq-hierarchy-2.0.1 vs .gitignore in sidekiq-hierarchy-2.1.0

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