diff --git a/flake.nix b/flake.nix
index 1d0f298..45902cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,8 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs";
+    zentralwerk-network-key.url = "https://gitea.c3d2.de/zentralwerk/network.git?dir=nix/key";
+    zentralwerk-network-key.flake = false;
   };
 
   outputs = { self, nixpkgs }:
diff --git a/nix/key/default.nix b/nix/key/default.nix
new file mode 100644
index 000000000..19765bd
--- /dev/null
+++ b/nix/key/default.nix
@@ -0,0 +1 @@
+null