diff --git a/shell.nix b/shell.nix
index 5e7b55d..2a12c93 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,7 +7,9 @@ in
 pkgs.stdenv.mkDerivation {
   name = "env";
   buildInputs =
-    [ pkgs.rustPlatform.rust.cargo ] ++
+    with pkgs;
+    with rustPlatform.rust;
+    [ rustc cargo pkg-config ] ++
     default.ticker-update.buildInputs ++
     default.ticker-serve.buildInputs;