diff --git a/lib/mkFlake.nix b/lib/mkFlake.nix
index 5d5ae39..d32e48e 100644
--- a/lib/mkFlake.nix
+++ b/lib/mkFlake.nix
@@ -167,7 +167,7 @@ let
               })
 
               (optionalAttrs (options ? nix.package) {
-                nix.package = lib.mkDefault pkgs.nixUnstable;
+                nix.package = lib.mkDefault pkgs.nixVersions.latest;
               })
 
               (optionalAttrs (options ? nix.extraOptions) {