diff --git a/pkgs/by-name/gb/gb-backup/package.nix b/pkgs/by-name/gb/gb-backup/package.nix
index d543c8e68fec..95229a822702 100644
--- a/pkgs/by-name/gb/gb-backup/package.nix
+++ b/pkgs/by-name/gb/gb-backup/package.nix
@@ -1,36 +1,34 @@
 {
   lib,
-  makeWrapper,
   buildGoModule,
   fetchFromGitHub,
-  lepton,
+  nix-update-script,
 }:
 
-buildGoModule {
+buildGoModule (finalAttrs: {
   pname = "gb-backup";
-  version = "unstable-2021-10-27";
+  version = "0-unstable-2026-06-05";
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "leijurv";
     repo = "gb";
-    rev = "61383d445af7b035fb8e1df0cacc424340dd16df";
-    sha256 = "sha256-YRrD2gW+gzxD2JwadCbF/SBSsHeeGPsa8kKZHHAytVo=";
+    rev = "d388723a2cbed495bcf1793aa0958a9ba4f3d6b9";
+    hash = "sha256-um2wMfHdEL3GkILtM7R/bNW17pknq0M/CCfHPlu6/58=";
   };
 
-  vendorHash = "sha256-H3Zf4VNJVX9C3GTeqU4YhNqCIQz1R55MfhrygDgJTxc=";
+  vendorHash = "sha256-fjOIp2LUBaAPAPMxU2T+qbIQZgmVa0vNPYzW2hOsBr8=";
 
-  nativeBuildInputs = [ makeWrapper ];
-
-  nativeCheckInputs = [ lepton ];
-
-  postFixup = ''
-    wrapProgram $out/bin/gb --prefix PATH : ${lib.makeBinPath [ lepton ]}
-  '';
+  passthru.updateScript = nix-update-script {
+    extraArgs = [ "--version=branch" ];
+  };
 
   meta = {
     description = "Gamer Backup, a super opinionated cloud backup system";
     homepage = "https://github.com/leijurv/gb";
     license = lib.licenses.agpl3Only;
     maintainers = with lib.maintainers; [ babbaj ];
+    mainProgram = "gb";
   };
-}
+})