diff --git a/flake.nix b/flake.nix
index 6e8898d..2aa6c52 100644
--- a/flake.nix
+++ b/flake.nix
@@ -164,7 +164,12 @@
           system = "x86_64-linux";
           specialArgs = { inherit inputs outputs; };
           modules = [
-            { nixpkgs.overlays = [ overlays.additions ]; }
+            {
+              nixpkgs.overlays = [
+                overlays.additions
+                overlays.unstable-packages
+              ];
+            }
             ./hosts/heimdall
           ];
         };