diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/emacs-conflict/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/emacs-conflict/default.nix
index 74c9498b0bf7..fea6905e6f31 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/emacs-conflict/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/emacs-conflict/default.nix
@@ -2,6 +2,7 @@
   lib,
   fetchFromGitHub,
   melpaBuild,
+  unstableGitUpdater,
 }:
 
 melpaBuild {
@@ -15,6 +16,8 @@ melpaBuild {
     hash = "sha256-DIGvnotSQYIgHxGxtyCALHd8ZbrfkmdvjLXlkcqQ6v4=";
   };
 
+  passthru.updateScript = unstableGitUpdater { hardcodeZeroVersion = true; };
+
   meta = {
     homepage = "https://github.com/ibizaman/emacs-conflict";
     description = "Resolve conflicts happening when using file synchronization tools";
diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/notdeft/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/notdeft/default.nix
index 6c6bc776c122..324db6dede1f 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/notdeft/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/notdeft/default.nix
@@ -7,7 +7,9 @@
   ivy,
   pkg-config,
   tclap,
+  unstableGitUpdater,
   xapian,
+  # Configurable options
   # Include pre-configured hydras
   withHydra ? false,
   # Include Ivy integration
@@ -77,6 +79,7 @@ melpaBuild {
 
   passthru = {
     inherit notdeft-xapian;
+    updateScript = unstableGitUpdater { hardcodeZeroVersion = true; };
   };
 
   meta = {