diff --git a/profiles/rust/default.nix b/profiles/rust/default.nix
index a6f931b..45f2a1f 100644
--- a/profiles/rust/default.nix
+++ b/profiles/rust/default.nix
@@ -4,10 +4,10 @@ let
 in
 {
   environment.systemPackages = [
-    fenix.stable.defaultToolchain
+    fenix.latest.toolchain
     #fenix.rust-analyzer
     pkgs.rust-analyzer
     pkgs.cargo-edit
   ];
-  environment.variables.RUST_SRC_PATH = "${fenix.stable.rust-src}/lib/rustlib/src/rust/library/";
+  environment.variables.RUST_SRC_PATH = "${fenix.latest.rust-src}/lib/rustlib/src/rust/library/";
 }