.gitignore in hybridgroup-firmata-0.4.1 vs .gitignore in hybridgroup-firmata-0.4.2

@@ -1,10 +1,9 @@
 *.gem
 *.rbc
 .bundle
 .config
 .yardoc
-Gemfile.lock
 InstalledFiles
 _yardoc
 coverage
 doc/
 lib/bundler/man
\ No newline at end of file