diff --git a/configuration.nix b/configuration.nix
index 456840d..9d0b1a4 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -224,6 +224,9 @@
     # Blocky DNS
     53
 
+    # mDNS
+    5353
+
     # Headscale UDP port for STUN protocol
     3478
   ];