diff --git a/src/backend/auth/auth.d.ts b/src/backend/auth/auth.d.ts
index 4bf677e6d..8e2976b76 100644
--- a/src/backend/auth/auth.d.ts
+++ b/src/backend/auth/auth.d.ts
@@ -1,3 +1,4 @@
+import { TypedEmitter } from "tiny-typed-emitter";
 import type ClientOAuth2 from "client-oauth2";
 
 export interface AuthProviderDefinition {