.gitignore in oauth2_dingtalk-0.2.0 vs .gitignore in oauth2_dingtalk-0.2.2

@@ -1,8 +1,7 @@
 /.bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
@@ -10,5 +9,8 @@
 
 # rspec failure tracking
 .rspec_status
 /example/.bundle/*
 /example/Gemfile.lock
+
+# rbenv
+.ruby-version
\ No newline at end of file