diff --git a/default.nix b/default.nix
index 19b31d0..01440f0 100644
--- a/default.nix
+++ b/default.nix
@@ -157,12 +157,15 @@ let
         '';
       };
 
-    # Tests the tool on the pinned Nixpkgs tree. This is a good sanity check.
+    # Tests the tool on the pinned Nixpkgs tree with stable Nix. This is a good sanity check.
     # There's a `passthru` attribute that allows testing this on every other Nix version in nixpkgs.
     nixpkgsCheck = pkgs.callPackage ./test-nixpkgs-check-by-name.nix {
       inherit initNix nixpkgs;
       nixpkgs-check-by-name = packages.build;
     };
+
+    # Tests the tool on the pinned Nixpkgs tree with the most recent Nix. This is a sanity check.
+    nixpkgsCheckWithLatestNix = packages.nixpkgsCheck.passthru.latest;
   };
 in
 packages