diff --git a/hosts/server/configuration.nix b/hosts/server/configuration.nix
index 3b2694f..14b290c 100644
--- a/hosts/server/configuration.nix
+++ b/hosts/server/configuration.nix
@@ -126,8 +126,8 @@
   };
 
   # Open ports in the firewall.
-  networking.firewall.allowedTCPPorts = [ 22 ];
-  networking.firewall.allowedUDPPorts = [ 22 ];
+  networking.firewall.allowedTCPPorts = [ 22 25565 ];
+  networking.firewall.allowedUDPPorts = [ 22 25565 ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;