diff --git a/overlays.nix b/overlays.nix
new file mode 100644
index 0000000..d09297c
--- /dev/null
+++ b/overlays.nix
@@ -0,0 +1,3 @@
+[
+  (import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz"))
+]