diff --git a/shell.nix b/shell.nix
index b93156c..16a2476 100644
--- a/shell.nix
+++ b/shell.nix
@@ -11,10 +11,10 @@ pkgs.callPackage (
     nativeBuildInputs = [
       rustup
       rustPlatform.bindgenHook
+      pkgs.pkg-config
     ];
     buildInputs = with pkgs; [
       openssl
-      pkg-config
     ] ++ lib.optionals stdenv.isDarwin [
       darwin.apple_sdk.frameworks.Security
     ];