diff --git a/pkgs/by-name/bu/bunbun/package.nix b/pkgs/by-name/bu/bunbun/package.nix
index e9de0cc5e295373..ab90682778711ce 100644
--- a/pkgs/by-name/bu/bunbun/package.nix
+++ b/pkgs/by-name/bu/bunbun/package.nix
@@ -1,35 +1,48 @@
-{ lib
-, rustPlatform
-, fetchFromGitHub
-, stdenv
-, darwin
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  stdenv,
+  darwin,
+  nix-update-script,
+  testers,
+  bunbun,
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "bunbun";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "devraza";
     repo = "bunbun";
-    rev = "refs/tags/v${version}";
-    hash = "sha256-jqokKvJYu/xHJHJVuNlTns3cYPLx1osbRUrCpVTCJZ0=";
+    # TODO: remove '-bump' at next release
+    rev = "refs/tags/v${version}-bump";
+    hash = "sha256-r4xBUfNY+Q3uAC919ZQbIDgiF981FVqZCOT8XNojZP4=";
   };
 
-  cargoHash = "sha256-dWZ5aNaHyTkEmkn88Dx5nCnGyiBmpJ6p5iYC7xj/mBw=";
+  cargoHash = "sha256-CcGfaSyCMv0Wm4QsYASBwEnpX8fKbLHRqyEcUmj2w2o=";
 
-  buildInputs = lib.optionals stdenv.isDarwin [
-    darwin.apple_sdk.frameworks.CoreFoundation
-    darwin.apple_sdk.frameworks.IOKit
-    darwin.apple_sdk.frameworks.SystemConfiguration
-  ];
+  buildInputs = lib.optionals stdenv.isDarwin (
+    with darwin.apple_sdk.frameworks;
+    [
+      CoreFoundation
+      IOKit
+      SystemConfiguration
+    ]
+  );
 
-  meta = with lib; {
+  passthru = {
+    updateScript = nix-update-script { };
+    tests.version = testers.testVersion { package = bunbun; };
+  };
+
+  meta = {
     description = "Simple and adorable sysinfo utility written in Rust";
     homepage = "https://github.com/devraza/bunbun";
     changelog = "https://github.com/devraza/bunbun/releases/tag/v${version}";
-    license = licenses.mit;
-    maintainers = with maintainers; [ GaetanLepage ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
     mainProgram = "bunbun";
   };
 }