diff --git a/ops/machines.nix b/ops/machines.nix
index 5f9307b..be780a5 100644
--- a/ops/machines.nix
+++ b/ops/machines.nix
@@ -21,6 +21,15 @@
     sha256 = "1b61nzvy0d46cspy07szkc0rggacxiqg9v1py27pkqpj7rvawfsk";
   }) { };
 
+  # TODO(patryk): unpin and upgrade
+  nixpkgsBgpwtf = import (pkgs.fetchFromGitHub {
+    owner = "nixos";
+    repo = "nixpkgs-channels";
+    rev = "e26c0ffdb013cd378fc2528a44689a8bf35d2a6c";
+    sha256 = "1b33hw35fqb9rzszdg5jpiyfvhx2cxpv0qrkyr19zkdpdahzdbss";
+  }) { };
+
+
   # mkMachine builds NixOS modules into a NixOS derivation.
   # It:
   #  1) injects passthru.hscloud.provision which deploys that configuration
@@ -113,7 +122,7 @@
     "dcr01s22.hswaw.net" = mkClusterMachine self ../cluster/machines/dcr01s22.hswaw.net.nix;
     "dcr01s24.hswaw.net" = mkClusterMachine self ../cluster/machines/dcr01s24.hswaw.net.nix;
 
-    "edge01.waw.bgp.wtf" = mkMachine self pkgs [
+    "edge01.waw.bgp.wtf" = mkMachine self nixpkgsBgpwtf [
       ../bgpwtf/machines/edge01.waw.bgp.wtf.nix
       ../bgpwtf/machines/edge01.waw.bgp.wtf-hardware.nix
     ];