.gitignore in tanita-api-client-0.2.2 vs .gitignore in tanita-api-client-0.2.3

@@ -4,8 +4,10 @@
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
 /tmp/
+Gemfile.lock
 
 # rspec failure tracking
 .rspec_status
+