diff --git a/flake.nix b/flake.nix
index 6aedef5..6f1aa2b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,6 +17,8 @@
 
         buildPkgs = with pkgs; [
           (rust-bin.selectLatestNightlyWith (toolchain: toolchain.default))
+          pkg-config
+          openssl
         ];
       in
       {