diff --git a/systems/bob/default.nix b/systems/bob/default.nix
index 58de81f..442d8f0 100644
--- a/systems/bob/default.nix
+++ b/systems/bob/default.nix
@@ -28,7 +28,12 @@
   networking = {
     hostName = "bob";
     hostId = "7c678a41";
-    firewall.enable = true;
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [
+        8000
+      ];
+    };
     networkmanager.enable = true;
   };