.gitignore in openseek-api-0.17.2 vs .gitignore in openseek-api-0.17.3

@@ -22,9 +22,10 @@
 /.bundle
 /vendor/bundle
 
 # these should all be checked in to normalise the environment:
 # Gemfile.lock, .ruby-version, .ruby-gemset
+Gemfile.lock
 
 # unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
 .rvmrc
 
 # if using bower-rails ignore default bower_components path bower.json files