change migrate involation

config/deploy.rb

@@ -54,8 +54,8 @@ task :deploy do
     invoke :'bundle:install'
     invoke :'rails:assets_precompile'
     invoke :'deploy:cleanup'
-    invoke :'rails:db_migrate'
-    
+    invoke :'rails[db:migrate]'
+
     on :launch do
       in_path(fetch(:current_path)) do
         invoke :'passenger:restart'