diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 6b1a5af..bb08dfb 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -834,7 +834,7 @@ in
   };
 
   services.postgresql = {
-    package = pkgs.postgresql_12;
+    package = pkgs.postgresql_15;
     settings.listen_addresses = pkgs.lib.mkForce "";
     identMap =
       ''