diff --git a/flake.nix b/flake.nix
index df435879..d50b4480 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,7 +13,7 @@
     plasma-manager.inputs.nixpkgs.follows = "nixpkgs";
     plasma-manager.inputs.home-manager.follows = "home-manager";
     catppuccin.url = "github:catppuccin/nix";
-    lanzaboote.url = "github:nix-community/lanzaboote/v0.3.0";
+    lanzaboote.url = "github:nix-community/lanzaboote/v0.4.1";
     lanzaboote.inputs.nixpkgs.follows = "nixpkgs";
 
     # steamdeck
diff --git a/spec/yume/default.nix b/spec/yume/default.nix
index 9d0dec00..3352e4e4 100644
--- a/spec/yume/default.nix
+++ b/spec/yume/default.nix
@@ -8,6 +8,7 @@
     fs.esp.uuid = "6CEB-765A";
     fs.type = "xfs";
     fs.store = "b80e8bbe-d1ff-4d2e-ae25-9e9048d67355";
+    boot.lanzaboote = true;
     gpu.enable = true;
     gpu.type = "nvidia";
   };