diff --git a/data/appdata/org.gnome.Calendar.appdata.xml.in.in b/data/appdata/org.gnome.Calendar.appdata.xml.in.in
index 6b3c62c7..731af1ca 100644
--- a/data/appdata/org.gnome.Calendar.appdata.xml.in.in
+++ b/data/appdata/org.gnome.Calendar.appdata.xml.in.in
@@ -43,6 +43,7 @@
https://wiki.gnome.org/Apps/Calendar
https://gitlab.gnome.org/GNOME/gnome-calendar/issues
+ https://www.gnome.org/donate/
GNOME