diff --git a/README.md b/README.md
index 1e71e17..c7b87e2 100644
--- a/README.md
+++ b/README.md
@@ -37,8 +37,8 @@ gamja can be configured via a [configuration file] and via [URL parameters].
 
 ## Contributing
 
-Send patches on the [mailing list], report bugs on the [issue tracker]. Discuss
-in [#soju on Libera Chat].
+Send patches on [Codeberg] or on the [mailing list], report bugs on the
+[issue tracker]. Discuss in [#soju on Libera Chat].
 
 ## License
 
@@ -47,6 +47,7 @@ AGPLv3, see LICENSE.
 Copyright (C) 2020 The gamja Contributors
 
 [gamja]: https://sr.ht/~emersion/gamja/
+[Codeberg]: https://codeberg.org/emersion/gamja
 [mailing list]: https://lists.sr.ht/~emersion/public-inbox
 [issue tracker]: https://todo.sr.ht/~emersion/gamja
 [Parcel]: https://parceljs.org