diff --git a/configuration.nix b/configuration.nix
index 22eda7e..8f72fd0 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, unstablePkgs, ... }:
+{ config, pkgs, updatePkgs, unstablePkgs, ... }:
 let
   keys = import ./ssh-keys.nix;
 in
@@ -187,7 +187,7 @@ in
     vim
     emacs
     tmux
-    unstablePkgs.signal-desktop
+    updatePkgs.signal-desktop
     gcc
     tree
 
diff --git a/flake.nix b/flake.nix
index c32007b..43755d1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    update.url = "github:nixos/nixpkgs/nixos-24.05";
     unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     home-manager = {
       url = "github:nix-community/home-manager/release-24.05";
@@ -10,16 +11,17 @@
     };
   };
 
-  outputs = inputs@{ nixpkgs, home-manager, unstable, ... }:
+  outputs = inputs@{ nixpkgs, home-manager, unstable, update, ... }:
     let
       system = "x86_64-linux";
       pkgs = nixpkgs.legacyPackages.${system};
       unstablePkgs = unstable.legacyPackages.${system};
+      updatePkgs = update.legacyPackages.${system};
     in {
       nixosConfigurations = {
         sandy = nixpkgs.lib.nixosSystem {
           system = "x86_64-linux";
-          specialArgs = { inherit unstablePkgs ; };
+          specialArgs = { inherit unstablePkgs updatePkgs; };
           modules = [
             ./configuration.nix
             home-manager.nixosModules.home-manager