diff --git a/flake.nix b/flake.nix
index 3997fdf..4861f8e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,7 +66,7 @@
 
       osrel = pkgs.writeText "lanzaboote-osrel" ''
         NAME=Lanzaboote
-        VERSION="0"
+        VERSION="${lanzaboote.version}"
       '';
 
       cmdline = pkgs.writeText "lanzaboote-cmdline" "";