lib/perus/pinger/commands/upgrade.rb in perus-0.1.2 vs lib/perus/pinger/commands/upgrade.rb in perus-0.1.3

@@ -3,12 +3,12 @@
         description 'Upgrades Perus on the client machine'
         option :sudo, default: false
 
         def run
             if options.sudo
-                result = `sudo gem upgrade perus`
+                result = shell('sudo gem upgrade perus')
             else
-                result = `gem upgrade perus`
+                result = shell('gem upgrade perus')
             end
 
             result.include?('ERROR') ? result : true
         end
     end