diff --git a/flake.nix b/flake.nix
index 659bffd..23c2b02 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,5 +35,12 @@
 
         devShells.default =
           pkgs.mkShell { buildInputs = with pkgs; [ updateDeps ]; };
-      });
+      }) // {
+        overlays.default =
+          (final: prev: { krb5-keygen = self.packages.krb5-keygen; });
+        nixosModules = rec {
+          default = krb5-keygen;
+          krb5-keygen.config.nixpkgs.overlays = [ self.overlays.default ];
+        };
+      };
 }