diff --git a/nix/hosts/chaewon/sys.nix b/nix/hosts/chaewon/sys.nix
index 4813c53..15794ce 100644
--- a/nix/hosts/chaewon/sys.nix
+++ b/nix/hosts/chaewon/sys.nix
@@ -74,6 +74,7 @@
   };
 
   networking.firewall.allowedTCPPorts = [ 80 443 ];
+  networking.firewall.allowedUDPPorts = [ config.services.tailscale.port ];
 
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
@@ -155,6 +156,8 @@
     };
   };
 
+  services.tailscale.enable = true;
+
   system.stateVersion = "23.11";
   home-manager.users.priime = { pkgs, ... }: { imports = [ ./home.nix ]; };
 }