diff --git a/lib/superform/rails.rb b/lib/superform/rails.rb
index b93ede9..844fc5c 100644
--- a/lib/superform/rails.rb
+++ b/lib/superform/rails.rb
@@ -69,6 +69,10 @@ def select(*collection, **attributes, &)
           Components::SelectField.new(self, attributes: attributes, collection: collection, &)
         end
 
+        def multiple_select(*collection, **attributes, &)
+          Components::MultipleSelectField.new(self, attributes: attributes, collection: collection, &)
+        end
+
         def title
           key.to_s.titleize
         end
@@ -331,10 +335,33 @@ def false_option(&)
         end
 
         protected
+
           def map_options(collection)
             OptionMapper.new(collection)
           end
       end
+
+      class MultipleSelectField < SelectField
+        def template(...)
+          # The HTML specification says when multiple parameter passed to select
+          # and all options got deselected web browsers do not send any value to
+          # server. Unfortunately this introduces a gotcha: if a User model has
+          # many roles and have role_ids accessor, and in the form that edits
+          # roles of the user the user deselects all roles from role_ids
+          # multiple select box, no role_ids parameter is sent.
+          input(type: "hidden", name: dom.name, value: "")
+          super(...)
+        end
+
+        protected
+
+          def field_attributes
+            super.merge(
+              name: "#{dom.name}[]",
+              multiple: true
+            )
+          end
+      end
     end
   end
 end