diff --git a/plugins/search-indexer-backend/src/index.ts b/plugins/search-indexer-backend/src/index.ts
index 798ad8e1b0..8988e8f007 100644
--- a/plugins/search-indexer-backend/src/index.ts
+++ b/plugins/search-indexer-backend/src/index.ts
@@ -19,3 +19,5 @@ import { Registry } from './registry';
 const registry = Registry.getInstance();
 export const registerCollator = registry.addCollator;
 export const registerDecorator = registry.addDecorator;
+
+export type { IndexableDocument } from './types';