.gitignore in sinatra-websocketio-0.3.3 vs .gitignore in sinatra-websocketio-0.3.4

@@ -8,9 +8,10 @@
 config.yml
 *.gem
 *.rbc
 .config
 .yardoc
+.ruby-version
 InstalledFiles
 _yardoc
 coverage
 doc/
 lib/bundler/man
\ No newline at end of file