diff --git a/src/lib/tree/public-api.ts b/src/lib/tree/public-api.ts
index 85fbba35eb1e..abc3e880201a 100644
--- a/src/lib/tree/public-api.ts
+++ b/src/lib/tree/public-api.ts
@@ -12,5 +12,6 @@ export * from './padding';
 export * from './tree';
 export * from './tree-module';
 export * from './toggle';
+export * from './outlet';
 export * from './data-source/flat-data-source';
 export * from './data-source/nested-data-source';