diff --git a/mediawiki-repos.yaml b/mediawiki-repos.yaml
index 4480590..eb3256f 100644
--- a/mediawiki-repos.yaml
+++ b/mediawiki-repos.yaml
@@ -1099,6 +1099,10 @@ SimpleBlogPage:
   branch: master
   path: extensions/SimpleBlogPage
   repo_url: https://github.com/wikimedia/mediawiki-extensions-SimpleBlogPage
+SimpleCalendar:
+  branch: _branch_
+  path: extensions/SimpleCalendar
+  repo_url: https://github.com/wikimedia/mediawiki-extensions-SimpleCalendar
 SimpleChanges:
   branch: _branch_
   path: extensions/SimpleChanges