diff --git a/flake.lock b/flake.lock
index d469e43..39e97bb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -34,11 +34,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1678237502,
-        "narHash": "sha256-J4cAbmC9RK+Jus3U88WaxkTsnNlZSroE2xZ9A0rSxL4=",
+        "lastModified": 1678268259,
+        "narHash": "sha256-q+ZWNJfXKgIKwsZBir0yXrmIV/4tOv5BflxDAfGISps=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1eeea1f1922fb79a36008ba744310ccbf96130e2",
+        "rev": "90ef5c3c337d8d9f0c97e7641ece70a41f6c16a2",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index a66e45e..8e83235 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,7 +22,7 @@
         };
         devShell = with pkgs; mkShell {
           buildInputs = [ cargo rustc rustfmt pcsclite nettle pre-commit rustPackages.clippy ];
-          nativeBuildInputs = [ pkg-config rustPlatform.bindgenHook ] ++ lib.optionals stdenv.isDarwin [ PCSC ];
+          nativeBuildInputs = [ pkg-config rustPlatform.bindgenHook ];
           RUST_SRC_PATH = rustPlatform.rustLibSrc;
         };
       });