diff --git a/site-cookbooks/kosmos-mediawiki/recipes/default.rb b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
index cf37b16..009e019 100644
--- a/site-cookbooks/kosmos-mediawiki/recipes/default.rb
+++ b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
@@ -105,7 +105,7 @@ mediawiki_credentials = Chef::EncryptedDataBagItem.load('credentials', 'mediawik
 #
 
 ark "antispam" do
-  url "https://github.com/CleanTalk/mediawiki-antispam/archive/1.8.zip"
+  url "https://github.com/CleanTalk/mediawiki-antispam/archive/2.1.zip"
   path "#{node['mediawiki']['webdir']}/extensions/Antispam"
   owner node["nginx"]["user"]
   group node["nginx"]["group"]