diff --git a/src/matrix.ts b/src/matrix.ts
index 20f894a2dc1..6be9350404a 100644
--- a/src/matrix.ts
+++ b/src/matrix.ts
@@ -29,6 +29,7 @@ export * from "./http-api";
 export * from "./autodiscovery";
 export * from "./sync-accumulator";
 export * from "./errors";
+export * from "./base64";
 export * from "./models/beacon";
 export * from "./models/event";
 export * from "./models/room";