diff --git a/hosts/containers/ticker/default.nix b/hosts/containers/ticker/default.nix
index ee301d9c..be2467f4 100644
--- a/hosts/containers/ticker/default.nix
+++ b/hosts/containers/ticker/default.nix
@@ -122,5 +122,9 @@ with lib;
       url = "https://scrape.hq.c3d2.de/dhmd-veranstaltungen.ics";
       color = "#E00728";
     };
+    ds21 = {
+      url = "https://talks.datenspuren.de/ds21/schedule.ics";
+      color = "#40A940";
+    };
   };
 }