Gemfile in sys_watchdog-0.1.19 vs Gemfile in sys_watchdog-0.1.20

@@ -1,5 +1,5 @@
 
 source 'https://rubygems.org'
 
 gem 'mail', '~> 2.5'
-gem 'slack-ruby-client', '~> 0.8.1'
\ No newline at end of file
+gem 'slack-ruby-client', '~> 0.8.1'