diff --git a/hosts/akko/akkoma.nix b/hosts/akko/akkoma.nix
index d4abcdc..b6e025f 100644
--- a/hosts/akko/akkoma.nix
+++ b/hosts/akko/akkoma.nix
@@ -63,6 +63,7 @@ in {
   };
 
   services.postgresql.enable = true;
+  services.postgresql.package = pkgs.postgresql_15;
 
   security.acme = {
     defaults.email = "me@xeiaso.net";