diff --git a/flake.nix b/flake.nix
index 6b812e1..48b7e3e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,11 @@
 
         root = ./.;
         cargoBuildOptions = opts: opts ++ [ "--package youmubot" ];
+
+        nativeBuildInputs = nixpkgs.lib.optionals (nixpkgs.lib.strings.hasSuffix "linux" system) (with pkgs; [
+          pkg-config
+          openssl
+        ]);
       };
 
       defaultPackage = packages.youmubot;