diff --git a/flake.nix b/flake.nix
index b49f836..9e644d0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,6 +14,8 @@
     devShells.${system}.default = pkgs.mkShell {
       buildInputs = with pkgs; [
         cargo rustc rust-analyzer clippy
+        pkg-config
+        openssl
       ];
     };
   };