diff --git a/packages/protobuf/src/index.ts b/packages/protobuf/src/index.ts
index a3fc5d004..c109a19fe 100644
--- a/packages/protobuf/src/index.ts
+++ b/packages/protobuf/src/index.ts
@@ -24,7 +24,7 @@ export { Message } from "./message.js";
 export type { AnyMessage, PartialMessage, PlainMessage } from "./message.js";
 export { isMessage } from "./is-message.js";
 
-export type { FieldInfo } from "./field.js";
+export type { FieldInfo, OneofInfo } from "./field.js";
 export type { FieldList } from "./field-list.js";
 export { LongType, ScalarType } from "./scalar.js";
 export type { ScalarValue } from "./scalar.js";