diff --git a/hosts/nas/impermanence.nix b/hosts/nas/impermanence.nix
index baf14d8..75fe389 100644
--- a/hosts/nas/impermanence.nix
+++ b/hosts/nas/impermanence.nix
@@ -32,6 +32,7 @@
     ];
     files = [
       "/etc/machine-id"
+      "/var/cache-priv-key.pem"
     ];
   };
 
diff --git a/hosts/nas/services.nix b/hosts/nas/services.nix
index 7283564..4623bda 100644
--- a/hosts/nas/services.nix
+++ b/hosts/nas/services.nix
@@ -209,6 +209,11 @@ in
       };
       dataDir = "/media/nas/ssd/nix-app-data/grafana";
     };
+    
+    nix-serve = {
+      enable = true;
+      secretKeyFile = "/var/cache-priv-key.pem";
+    };
 
     prometheus = {
       enable = true;