diff --git a/sys/srv/mediawiki.nix b/sys/srv/mediawiki.nix
index d07bd80..e898357 100644
--- a/sys/srv/mediawiki.nix
+++ b/sys/srv/mediawiki.nix
@@ -53,6 +53,17 @@ with lib; {
       extensions = {
         # some extensions are included and can enabled by passing null
         VisualEditor = null;
+        CategoryTree = null;
+        CiteThisPage = null;
+        Scribunto = null;
+        Cite = null;
+        CodeEditor = null;
+        Math = null;
+        MultimediaViewer = null;
+        PdfHandler = null;
+        Poem = null;
+        SecureLinkFixer = null;
+        WikiEditor = null;
       };
     };
   };