diff --git a/packaging/nix/umu-launcher.nix b/packaging/nix/umu-launcher.nix
index 39aa491b..21b2e6a0 100644
--- a/packaging/nix/umu-launcher.nix
+++ b/packaging/nix/umu-launcher.nix
@@ -11,7 +11,7 @@ python3Packages.buildPythonPackage {
     pkgs.scdoc
     pkgs.git
     pkgs.python3Packages.installer
-    #pkgs.hatch
+    pkgs.hatch
     #(pkgs.hatch.overrideAttrs (prev: {
     #  disabledTests = prev.disabledTests ++ [
     #    "test_field_readme"