diff --git a/shell.nix b/shell.nix
index e23df45..a34d23e 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,8 +2,7 @@
 
 pkgs.mkShell {
   buildInputs = with pkgs; [
-    cargo
-    rustfmt
+    rustup
     openssl
     pkg-config
     websocat