diff --git a/shell.nix b/shell.nix
index 10b794b..fb36159 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,6 +1,15 @@
 with import <nixpkgs> { overlays = [ (import <rust-overlay>) ]; };
 mkShell {
-  buildInputs = [ cargo python39 rustc xorg.libxcb ]
-    ++ pkgs.lib.optionals stdenv.isDarwin
+  buildInputs = [
+    (rust-bin.stable.latest.default.override {
+      extensions = [ "rust-src" "rustfmt-preview" ];
+      targets =
+        pkgs.lib.optionals pkgs.stdenv.isDarwin [ "aarch64-apple-darwin" ]
+        ++ pkgs.lib.optionals pkgs.stdenv.isLinux
+        [ "x86_64-unknown-linux-gnu" ];
+    })
+    xorg.libxcb
+    python39
+  ] ++ pkgs.lib.optionals stdenv.isDarwin
     [ pkgs.darwin.apple_sdk.frameworks.AppKit ];
 }