diff --git a/flake.nix b/flake.nix
index 53d31dd..0c3fd42 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
       let
         pkgs = import nixpkgs {
           inherit system;
-          overlays = [ typelevel-nix.overlay ];
+          overlays = [ typelevel-nix.overlays.default ];
         };
         curl = pkgs.curl.overrideAttrs (old: {
           # Websocket support in curl is currently in experimental mode