diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/git-undo/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/git-undo/default.nix
index 69330664473e..74574c98cb43 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/git-undo/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/git-undo/default.nix
@@ -2,6 +2,7 @@
   lib,
   fetchFromGitHub,
   melpaBuild,
+  unstableGitUpdater,
 }:
 
 melpaBuild {
@@ -15,6 +16,8 @@ melpaBuild {
     hash = "sha256-cVkK9EF6qQyVV3uVqnBEjF8e9nEx/8ixnM8PvxqCyYE=";
   };
 
+  passthru.updateScript = unstableGitUpdater { hardcodeZeroVersion = true; };
+
   meta = {
     homepage = "https://github.com/jwiegley/git-undo-el";
     description = "Revert region to most recent Git-historical version";