diff --git a/flake.nix b/flake.nix
index d0de75e..872ef9c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
   outputs = { self, nixpkgs, utils, helpers, notifierClj, ... }:
     utils.lib.eachDefaultSystem (system:
       let
-        inherit (helpers.packages."${system}") mkClojureBin;
+        inherit (helpers.legacyPackages."${system}") mkClojureBin;
         pkgs = nixpkgs.legacyPackages."${system}";
         cljLibs = {
           "org.fudo/notifier" = "${notifierClj.packages."${system}".notifier}";
@@ -37,7 +37,7 @@
         devShells = rec {
           default = updateDeps;
           updateDeps = pkgs.mkShell {
-            buildInputs = with helpers.packages."${system}";
+            buildInputs = with helpers.legacyPackages."${system}";
               [ (updateClojureDeps cljLibs) ];
           };
           tattler = pkgs.mkShell {