diff --git a/bert/configuration.nix b/bert/configuration.nix
index bb3f5cd..fba849c 100644
--- a/bert/configuration.nix
+++ b/bert/configuration.nix
@@ -109,6 +109,7 @@
   networking.firewall.allowedTCPPorts = [
     80 # Caddy
     443 # Caddy
+    25565 # minecraft server
   ];
 
   # This value determines the NixOS release from which the default