diff --git a/services/fediversity/attic/default.nix b/services/fediversity/attic/default.nix
index e388b3b8..00030970 100644
--- a/services/fediversity/attic/default.nix
+++ b/services/fediversity/attic/default.nix
@@ -171,7 +171,7 @@ in
           #
           # The API endpoint _must_ end with a slash (e.g., `https://domain.tld/attic/`
           # not `https://domain.tld/attic`).
-          api-endpoint = "http://${config.fediversity.attic.domain}/";
+          api-endpoint = "https://${config.fediversity.attic.domain}/";
 
           # Whether to soft-delete caches
           #