diff --git a/packages/react/index.fb.js b/packages/react/index.fb.js
index e3eb311323..8e11bade4d 100644
--- a/packages/react/index.fb.js
+++ b/packages/react/index.fb.js
@@ -39,6 +39,7 @@ export {
   unstable_SuspenseList,
   unstable_ViewTransition,
   unstable_TracingMarker,
+  unstable_addTransitionType,
   unstable_useCacheRefresh,
   use,
   useActionState,