diff --git a/pkgs/by-name/th/thunderbird-mcp/package.nix b/pkgs/by-name/th/thunderbird-mcp/package.nix
index 538f806dc5d2..0a041783ea39 100644
--- a/pkgs/by-name/th/thunderbird-mcp/package.nix
+++ b/pkgs/by-name/th/thunderbird-mcp/package.nix
@@ -2,17 +2,18 @@
   lib,
   buildNpmPackage,
   fetchFromGitHub,
+  nix-update-script,
 }:
 
 buildNpmPackage (finalAttrs: {
   pname = "thunderbird-mcp";
-  version = "0.4.0";
+  version = "0.5.0";
 
   src = fetchFromGitHub {
     owner = "TKasperczyk";
     repo = "thunderbird-mcp";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-+m54jF39SoViHxDI18ewtVjeVUdRximJ6Ozcv1HVdiU=";
+    hash = "sha256-3o1NskuMc4vQzjaUYgoFL7JZ46Enr6qdPcnePjtul2s=";
   };
 
   postPatch = ''
@@ -25,6 +26,8 @@ buildNpmPackage (finalAttrs: {
 
   npmDepsHash = "sha256-LbEnmABmAoTCTPNNbocl+n2TtFC3FOFwwTnyATxvM3k=";
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "MCP server for Thunderbird - enables AI assistants to access email, contacts, and calendars";
     homepage = "https://github.com/TKasperczyk/thunderbird-mcp";