oxalica
diff --git a/‎flake.lock
+6-6 b/‎flake.lock
+6-6
diff --git a/‎flake.nix
+1-1 b/‎flake.nix
+1-1
@@ -98,7 +98,7 @@ rec {
           devShells.default = pkgs.mkShell {
             nativeBuildInputs = with pkgs; [
               # Override the stable rustfmt.
-              rustPkgs.rust-nightly_2023-01-01.availableComponents.rustfmt
+              rustPkgs.rust-nightly_2023-05-01.availableComponents.rustfmt
               # Follows nixpkgs's version of rustc.
               (let vers = lib.splitVersion rustc.version; in
                 rustPkgs."rust_${lib.elemAt vers 0}_${lib.elemAt vers 1}_${lib.elemAt vers 2}")