diff --git a/layers/dev-rust.nix b/layers/dev-rust.nix
index 7a3338fcac69c351c9400da876dff3d495a3d700..d5ad70d65466cbdb1a47fd00980613c77f62df1c 100644
--- a/layers/dev-rust.nix
+++ b/layers/dev-rust.nix
@@ -4,5 +4,7 @@
   environment.systemPackages = with pkgs; [
     rustc
     cargo
+    # repl
+    evcxr
   ];
 }