diff --git a/substrate/shell.nix b/substrate/shell.nix
index 65a330bf33..9a2d304006 100644
--- a/substrate/shell.nix
+++ b/substrate/shell.nix
@@ -13,6 +13,7 @@ in
 with nixpkgs; pkgs.mkShell {
   buildInputs = [
     clang
+    openssl.dev
     pkg-config
     rust-nightly
   ] ++ lib.optionals stdenv.isDarwin [