diff --git a/flake.nix b/flake.nix
index 5de810a39..d0792772c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,7 @@
       };
     } // utils.lib.eachDefaultSystem (system:
       let
-        pkgs = import nixpkgs { inherit system; };
+        pkgs = nixpkgs.legacyPackages.${system};
         docs = import ./docs {
           inherit pkgs;
           nmdSrc = nmd;