.gitignore in itax_code-0.2.0 vs .gitignore in itax_code-0.3.0

@@ -1,12 +1,14 @@
 *.rbc
 *.swp
 /_yardoc/
 /.bundle/
 /.byebug_history
+/.ruby-version
 /.yardoc
 /coverage/
 /doc/
+/Gemfile.lock
 /itax_code-*.gem
 /pkg/
 /spec/reports/
 /tmp/