diff --git a/rust/flake.nix b/rust/flake.nix
index c5f0be6..d0dae53 100644
--- a/rust/flake.nix
+++ b/rust/flake.nix
@@ -18,6 +18,8 @@
               cargo
               rust-analyzer
               rustup
+              openssl.dev
+              pkg-config
             ];
          };
        }