diff --git a/flake.nix b/flake.nix
index c24de5b..4cd4b6a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,7 @@
         };
       in {
         packages = {
-          wallfly = helpers.packages."${system}".mkClojureBin {
+          wallfly = helpers.legacyPackages."${system}".mkClojureBin {
             projectSrc = ./.;
             name = "org.fudo/wallfly";
             primaryNamespace = "wallfly.core";
@@ -37,7 +37,7 @@
         devShells = rec {
           default = updateDeps;
           updateDeps = pkgs.mkShell {
-            buildInputs = with helpers.packages."${system}";
+            buildInputs = with helpers.legacyPackages."${system}";
               [ (updateClojureDeps cljLibs) ];
           };
         };