diff --git a/source/en/portal/servers/index.md b/source/en/portal/servers/index.md
index 0774ca0..133ad0d 100644
--- a/source/en/portal/servers/index.md
+++ b/source/en/portal/servers/index.md
@@ -89,6 +89,7 @@ title: "Themed servers"
 * [berlin.social](https://berlin.social) - Berlin, Germany *(Mastodon)*
 * [nrw.social](https://nrw.social) - North Rhine-Westphalia, Germany *(Mastodon)*
 * [osna.social](https://osna.social) - Osnabrück, Germany *(Mastodon)*
+* [social.cologne](https://social.cologne) - Cologne, Germany *(Mastodon)*
 * [voi.social](https://voi.social) - Austria *(Mastodon)*
 * [graz.social](https://graz.social) - Graz, Austria *(Mastodon)*
 * [oslo.town](https://oslo.town) - Oslo, Norway *(Mastodon)*