diff --git a/services/fediversity/default.nix b/services/fediversity/default.nix
index 6baf00fa..6e70cd76 100644
--- a/services/fediversity/default.nix
+++ b/services/fediversity/default.nix
@@ -65,4 +65,14 @@ in
       };
     };
   };
+
+  config = {
+    ## FIXME: This should clearly go somewhere else; and we should have a
+    ## `staging` vs. `production` setting somewhere.
+    security.acme = {
+      acceptTerms = true;
+      defaults.email = "something@fediversity.net";
+      # defaults.server = "https://acme-staging-v02.api.letsencrypt.org/directory";
+    };
+  };
 }