diff --git a/services/postgresql/default.nix b/services/postgresql/default.nix
index b263087..3c61ede 100644
--- a/services/postgresql/default.nix
+++ b/services/postgresql/default.nix
@@ -9,7 +9,7 @@ in
   config = lib.mkIf cfg.enable {
     services.postgresql = {
       enable = true;
-      package = postgresql_17;
+      package = postgresql_16;
       enableTCPIP = true;
       settings.port = 5432;
       ensureDatabases = [