diff --git a/hosts/gwydion/default.nix b/hosts/gwydion/default.nix
index 231ef00..18d1370 100644
--- a/hosts/gwydion/default.nix
+++ b/hosts/gwydion/default.nix
@@ -31,6 +31,7 @@
     6600 # mpd
     21 # ftp
     1313 # Hugo preview
+    3000 # various dev web servers
     5000 # nix-serve (see below)
   ];