diff --git a/.envrc b/.envrc
index e3fecb3..b20dbca 100644
--- a/.envrc
+++ b/.envrc
@@ -1,2 +1,3 @@
+watch_file nix/shell.nix
 use flake
 
diff --git a/nix/shell.nix b/nix/shell.nix
index 965a0eb..ceecfc0 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -2,6 +2,7 @@
   mkShell,
   rust-analyzer,
   rustfmt,
+  rustc,
   clippy,
   cargo,
   rustPlatform,
@@ -13,6 +14,7 @@ mkShell {
     rustfmt
     clippy
     cargo
+    rustc
   ];
 
   RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";