diff --git a/sam/configuration.nix b/sam/configuration.nix
index 91e712f..c5d1593 100644
--- a/sam/configuration.nix
+++ b/sam/configuration.nix
@@ -24,6 +24,18 @@
   # Use latest kernel.
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
+  nixpkgs.overlays = [
+    (final: prev: {
+      spice-vdagent = prev.spice-vdagent.overrideAttrs ( old: rec {
+        version = "0.22.1";
+        src = prev.fetchurl {
+          url = "https://www.spice-space.org/download/releases/spice-vdagent-${version}.tar.bz2";
+          hash = "sha256-k7DRWspHYsx9N5sXmnEBFJ267WK3IRL/+ys+kLEWh6A=";
+        };
+      });
+    })
+  ];
+
   networking.hostName = "sam"; # Define your hostname.
 
   # Enable networking