diff --git a/nixos/hosts/nixos-vm-01/default.nix b/nixos/hosts/nixos-vm-01/default.nix
index 242b3e72..1fa1d510 100644
--- a/nixos/hosts/nixos-vm-01/default.nix
+++ b/nixos/hosts/nixos-vm-01/default.nix
@@ -23,4 +23,6 @@
     device = "/dev/sda";
     useOSProber = true;
   };
+
+  networking.firewall.allowedTCPPorts = [ 22 ];
 }