diff --git a/src/ResponseHeaders.ts b/src/ResponseHeaders.ts
index 17267b602..48603ecf3 100644
--- a/src/ResponseHeaders.ts
+++ b/src/ResponseHeaders.ts
@@ -10,6 +10,7 @@ export type ResponseHeaders = {
   server?: string;
   status?: string;
   vary?: string;
+  "x-accepted-github-permissions"?: string;
   "x-github-mediatype"?: string;
   "x-github-request-id"?: string;
   "x-oauth-scopes"?: string;