diff --git a/plugins/commands/box/command/update.rb b/plugins/commands/box/command/update.rb
index daf1d86ab..ed3ce9cb1 100644
--- a/plugins/commands/box/command/update.rb
+++ b/plugins/commands/box/command/update.rb
@@ -69,7 +69,7 @@ module VagrantPlugins
           end
 
           to_update = [
-            [name, provider, boxes[name][provider].last],
+            [name, provider, boxes[name][provider].sort.last],
           ]
 
           to_update.each do |n, p, v|