.gitignore in carrierwave-qiniu-1.1.6 vs .gitignore in carrierwave-qiniu-1.1.7

@@ -3,10 +3,9 @@
 .bundle
 .config
 .yardoc
 .env
 .env.*
-Gemfile.lock
 InstalledFiles
 _yardoc
 coverage
 doc/
 lib/bundler/man