diff --git a/nixos/cachix.nix b/nixos/cachix.nix
index 88b2f08..2dfd6ac 100644
--- a/nixos/cachix.nix
+++ b/nixos/cachix.nix
@@ -9,5 +9,5 @@ let
   imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
 in {
   inherit imports;
-  nix.binaryCaches = ["https://cache.nixos.org/"];
+  nix.settings.trusted-substituters = ["https://cache.nixos.org/"];
 }
diff --git a/nixos/cachix/nimmm.nix b/nixos/cachix/nimmm.nix
index 28263bb..499efeb 100644
--- a/nixos/cachix/nimmm.nix
+++ b/nixos/cachix/nimmm.nix
@@ -1,10 +1,10 @@
 
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    trusted-substituters = [
       "https://nimmm.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "nimmm.cachix.org-1:usYhOtylPbGmyX95Xdy2YVMOKZVBBt4pTQVAQrzw+0k="
     ];
   };
diff --git a/nixos/cachix/nix-community.nix b/nixos/cachix/nix-community.nix
index 427a518..2d7393b 100644
--- a/nixos/cachix/nix-community.nix
+++ b/nixos/cachix/nix-community.nix
@@ -1,10 +1,10 @@
 
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    trusted-substituters = [
       "https://nix-community.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
     ];
   };
diff --git a/nixos/cachix/winewayland.nix b/nixos/cachix/winewayland.nix
index b315015..f2b2f37 100644
--- a/nixos/cachix/winewayland.nix
+++ b/nixos/cachix/winewayland.nix
@@ -1,10 +1,10 @@
 
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    trusted-substituters = [
       "https://winewayland.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "winewayland.cachix.org-1:yXIVHB/ag+BdOg1RPe9yTXtTlYav0xSj0LAzl+dgOXY="
     ];
   };
diff --git a/nixos/cachix/zig-nightly.nix b/nixos/cachix/zig-nightly.nix
index 5f0d1c2..5df45c6 100644
--- a/nixos/cachix/zig-nightly.nix
+++ b/nixos/cachix/zig-nightly.nix
@@ -1,10 +1,10 @@
 
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    trusted-substituters = [
       "https://zig-nightly.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "zig-nightly.cachix.org-1:OnBNrwrXNoCtCzjuMEfruWSaZEixGGSvFhc9OBtx1wg="
     ];
   };
diff --git a/nixos/cachix/zigpkgs.nix b/nixos/cachix/zigpkgs.nix
index c92cf1b..ae47aba 100644
--- a/nixos/cachix/zigpkgs.nix
+++ b/nixos/cachix/zigpkgs.nix
@@ -1,10 +1,10 @@
 
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    trusted-substituters = [
       "https://zigpkgs.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "zigpkgs.cachix.org-1:0OzsirU7FWCIcV9KFlEvQd/6n6rB34tNXMiDbEOJ+3w="
     ];
   };
diff --git a/nixos/dustbowl.nix b/nixos/dustbowl.nix
index 7cac238..cf7723f 100644
--- a/nixos/dustbowl.nix
+++ b/nixos/dustbowl.nix
@@ -68,6 +68,8 @@
     "aarch64-linux"
   ];
 
+  services.fwupd.enable = true;
+
   networking.hostName = "dustbowl"; # Define your hostname.
   networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
   networking.wireless.interfaces = [ "wlp2s0" ];