diff --git a/README.md b/README.md
index d6c5007..9b60302 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ This is the repository for the NixOS configurations of the Katzen Café (Katzen
 - [ ] A plain ol' website
 - [ ] Mail sender
 - [ ] Vaultwarden
-- [ ] Calckey
+- [x] Calckey
 - [ ] Some matrix server
 - [ ] minecraft
 - [ ] Wiki for service and administration doc