.gitignore in tracking_number-0.10.4 vs .gitignore in tracking_number-0.10.5

@@ -12,10 +12,12 @@
 .bundle
 
 # jeweler generated
 pkg
 
-# Have editor/IDE/OS specific files you need to ignore? Consider using a global gitignore: 
+Gemfile.lock
+
+# Have editor/IDE/OS specific files you need to ignore? Consider using a global gitignore:
 #
 # * Create a file at ~/.gitignore
 # * Include files you want ignored
 # * Run: git config --global core.excludesfile ~/.gitignore
 #