.gitignore in oauth2-client-1.1.2 vs .gitignore in oauth2-client-1.1.3

@@ -1,7 +1,8 @@
 *.gem
 *.rbc
 .bundle
+.lock
 .config
 coverage
 InstalledFiles
 lib/bundler/man
 pkg
\ No newline at end of file