.gitignore in html-pipeline-2.7.0 vs .gitignore in html-pipeline-2.7.1

@@ -2,9 +2,10 @@
 *.rbc
 .bundle
 .config
 .yardoc
 Gemfile.lock
+gemfiles/*.lock
 InstalledFiles
 _yardoc
 coverage
 doc/
 lib/bundler/man
\ No newline at end of file