.gitignore in kumogata-0.5.10 vs .gitignore in kumogata-0.5.11

@@ -1,9 +1,10 @@
 *.gem
 *.rbc
 .bundle
 .config
 .yardoc
+.ruby-version
 Gemfile.lock
 InstalledFiles
 _yardoc
 coverage
 doc/