diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index eb4af72d7..3e5477140 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -5,6 +5,12 @@ class ApplicationController < ActionController::Base
   after_action :set_feature_headers
 
   def set_ruby_version
+    if params[:version] == "current"
+      permitted_params = params.permit(:object, :engine, :q, :page, :theme)
+      redirect_to permitted_params.merge(version: RubyConfig.default_ruby_version.version)
+      return
+    end
+
     version = RubyConfig.version_for(params[:version]) || RubyConfig.default_ruby_version
 
     Current.ruby_version = version
diff --git a/config/routes.rb b/config/routes.rb
index afc5260bc..57b5d5db4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -8,7 +8,7 @@
 
   ruby_versions = RubyConfig.ruby_versions.collect { |v| Regexp.escape(v.version) }
 
-  scope "(:version)", constraints: { version: /#{ruby_versions.join("|")}/ } do
+  scope "(:version)", constraints: { version: /#{ruby_versions.join("|")}|current/ } do
     root to: "home#index", as: :versioned_root
     post '/set_theme', to: 'home#set_theme'
     # We need the search path to be prefixed with `o/` so that the RDOc links will