diff --git a/bin/mcp-rector-warm b/bin/mcp-rector-warm
index e783c0b..41619aa 100755
--- a/bin/mcp-rector-warm
+++ b/bin/mcp-rector-warm
@@ -47,7 +47,7 @@ if ($config !== null) {
 // not here — to avoid polluting the MCP SDK before the server starts.
 
 $server = Server::builder()
-    ->setServerInfo('mcp-rector-warm', '0.4.0')
+    ->setServerInfo('mcp-rector-warm', '0.4.1')
     ->setDiscovery(dirname(__DIR__), ['src'])
     ->build();