diff --git a/pkgs/by-name/op/openasar/package.nix b/pkgs/by-name/op/openasar/package.nix
index dbb05162f12a..444ffa39da91 100644
--- a/pkgs/by-name/op/openasar/package.nix
+++ b/pkgs/by-name/op/openasar/package.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nodejs, bash, asar, unzip }:
+{ lib, stdenv, fetchFromGitHub, unstableGitUpdater, nodejs, bash, asar, unzip }:
 
 stdenv.mkDerivation rec {
   pname = "openasar";
@@ -40,6 +40,11 @@ stdenv.mkDerivation rec {
 
   doCheck = false;
 
+  passthru.updateScript = unstableGitUpdater {
+    # Only has a "nightly" tag (untaged version 0.2 is latest) see https://github.com/GooseMod/OpenAsar/commit/8f79dcef9b1f7732421235a392f06e5bd7382659
+    hardcodeZeroVersion = true;
+  };
+
   meta = with lib; {
     description = "Open-source alternative of Discord desktop's \"app.asar\".";
     homepage = "https://openasar.dev";