diff --git a/flake.nix b/flake.nix
index 3f03c92..76990ef 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,7 +30,7 @@
       mkOverlay = name:
         final: prev:
           final.filterAttrs (n: v: n == name) (mkAllPackages prev)
-          // { poetry2nix = nixpkgs.packages.${final.system}.poetry2nix; };
+          // { poetry2nix = nixpkgs.legacyPackages.${final.system}.poetry2nix; };
     in
     {
       overlays = (listToAttrs
@@ -41,7 +41,7 @@
       ) // {
         all = final: prev:
           mkAllPackages prev
-          // { poetry2nix = nixpkgs.packages.${final.system}.poetry2nix; };
+          // { poetry2nix = nixpkgs.legacyPackages.${final.system}.poetry2nix; };
       };
     }
     // flake-utils.lib.eachDefaultSystem (system: