diff --git a/build/npm/dirs.js b/build/npm/dirs.js
index 9f653c72479..a7ee7c3a6c7 100644
--- a/build/npm/dirs.js
+++ b/build/npm/dirs.js
@@ -52,6 +52,7 @@ const dirs = [
 	'test/integration/browser',
 	'test/monaco',
 	'test/smoke',
+	'test/mcp',
 	'.vscode/extensions/vscode-selfhost-import-aid',
 	'.vscode/extensions/vscode-selfhost-test-provider',
 ];