diff --git a/functions/api/data-transfers/create.ts b/functions/api/data-transfers/create.ts
index 2629281..bd8e25d 100644
--- a/functions/api/data-transfers/create.ts
+++ b/functions/api/data-transfers/create.ts
@@ -60,7 +60,7 @@ export async function onRequestPost(context: RequestContext) {
       oldUser: authedUser,
     }),
     {
-      expirationTtl: 900,
+      expirationTtl: 3600,
     },
   );