diff --git a/nixos/modules/services/misc/gitlab.nix b/nixos/modules/services/misc/gitlab.nix
index f0c21379ee3c..e34d23b187b7 100644
--- a/nixos/modules/services/misc/gitlab.nix
+++ b/nixos/modules/services/misc/gitlab.nix
@@ -22,7 +22,7 @@ let
     if config.services.postgresql.enable then
       config.services.postgresql.package
     else
-      pkgs.postgresql_14;
+      pkgs.postgresql_16;
 
   gitlabSocket = "${cfg.statePath}/tmp/sockets/gitlab.socket";
   gitalySocket = "${cfg.statePath}/tmp/sockets/gitaly.socket";