diff --git a/flake.nix b/flake.nix
index 91712a2..4c68d79 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,6 +53,7 @@
           { config, pkgs, ... }:
           {
             nixpkgs.overlays = commonOverlays;
+            system.configurationRevision = self.rev or self.dirtyRev or "dirty";
           }
         )
         sops-nix.nixosModules.sops