diff --git a/List-of-Mastodon-instances.md b/List-of-Mastodon-instances.md
index 8c0558d..cf9a6a4 100644
--- a/List-of-Mastodon-instances.md
+++ b/List-of-Mastodon-instances.md
@@ -1,4 +1,5 @@
 * [mastodon.social](https://mastodon.social)
 * [kickass.zone](https://kickass.zone)
+* [social.tchncs.de](https://social.tchncs.de)
 
 Let me know if you start running one so I can add it to the list!
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