diff --git a/hosts/Emitter.nix b/hosts/Emitter.nix
index f0e9c2a..2db269a 100644
--- a/hosts/Emitter.nix
+++ b/hosts/Emitter.nix
@@ -142,6 +142,8 @@
         };
     };
 
+    services.postgresql.package = pkgs.postgresql_13;
+
     # This value determines the NixOS release from which the default
     # settings for stateful data, like file locations and database versions
     # on your system were taken. It’s perfectly fine and recommended to leave