diff --git a/hardware/nvidia/proprietary.nix b/hardware/nvidia/proprietary.nix
index f20c933..4800032 100644
--- a/hardware/nvidia/proprietary.nix
+++ b/hardware/nvidia/proprietary.nix
@@ -179,6 +179,9 @@ in {
       "NVD_BACKEND" = "direct";
     };
 
+    nix.settings.substituters = [ "https://cuda-maintainers.cachix.org" ];
+    nix.settings.trusted-public-keys = [ "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E=" ];
+
     nixpkgs.overlays =
       [(final: prev: {
         jellyfin-media-player = prev.runCommand "jellyfinmediaplayer" { nativeBuildInputs = [ prev.makeBinaryWrapper ]; } ''