1 files changed, 12 insertions, 5 deletions
diff --git a/Biz/Bild/Nixpkgs.nix b/Biz/Bild/Nixpkgs.nix
index d53a125..212e3f1 100644
--- a/Biz/Bild/Nixpkgs.nix
+++ b/Biz/Bild/Nixpkgs.nix
@@ -24,13 +24,20 @@ let
     (import ./Python.nix)
     (import ./Haskell.nix)
   ];
-in {
-  nixos-24_05 = import sources.nixos-24_05 {
-    inherit system config overlays;
-
-  };
 
   nixos-unstable-small =
     import sources.nixos-unstable-small { inherit system config overlays; };
 
+in {
+  nixos-24_05 = import sources.nixos-24_05 {
+    inherit system config;
+    overlays = overlays ++ [
+      (_: _: {
+        # backport newer packages from unstable
+        unstable = nixos-unstable-small.pkgs;
+      })
+    ];
+  };
+
+  inherit nixos-unstable-small;
 }