diff --git a/os/configuration.nix b/os/configuration.nix
index 422f08a..c2d911f 100644
--- a/os/configuration.nix
+++ b/os/configuration.nix
@@ -115,6 +115,7 @@
     ];
     files = [
       "/etc/machine-id"
+      "/etc/shadow"
     ];
   };