diff --git a/app/controllers/application.rb b/app/controllers/application.rb
index 6e75ed08..875a22f5 100644
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -207,3 +207,18 @@ module Mime
   LOOKUP["text/html"]             = HTML
   LOOKUP["application/xhtml+xml"] = XHTML
 end
+
+module Instiki
+  module VERSION #:nodoc:
+    MAJOR = 0
+    MINOR = 12
+    TINY  = 0
+    SUFFIX = '(MML+)'
+    PRERELEASE = 'pre' # false
+    if PRERELEASE
+       STRING = [MAJOR, MINOR].join('.') + PRERELEASE + SUFFIX
+    else
+       STRING = [MAJOR, MINOR, TINY].join('.') + SUFFIX
+    end
+  end
+end
diff --git a/app/views/layouts/default.rhtml b/app/views/layouts/default.rhtml
index c8bab685..521907b7 100644
--- a/app/views/layouts/default.rhtml
+++ b/app/views/layouts/default.rhtml
@@ -66,8 +66,8 @@
 
 <% if @show_footer %>
     <div id="footer">
-    <div>This site is running on <a href="http://instiki.org/">Instiki</a></div>
-    <div>Powered by <a href="http://rubyonrails.com/">Ruby on Rails</a></div>
+    <div>This site is running on <a href="http://instiki.org/">Instiki</a> <%= "#{Instiki::VERSION::STRING}" %></div>
+    <div>Powered by <a href="http://rubyonrails.com/">Ruby on Rails</a>  <%= "#{Rails::VERSION::STRING}" %></div>
     </div>
 <% end %>