diff --git a/composer.local.json b/composer.local.json
index 1cf7f3f..a535932 100644
--- a/composer.local.json
+++ b/composer.local.json
@@ -1,6 +1,7 @@
 {
     "require": {
         "mediawiki/semantic-bundle": "~5.0",
+        "mediawiki/semantic-mediawiki": "3.x-dev",
         "mediawiki/semantic-scribunto": "~2.1",
 
         "wikimedia/css-sanitizer": "3.0.2"