diff --git a/FAQ.md b/FAQ.md
index 8967efeec0..fe56ffee48 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -1527,6 +1527,7 @@ The following authentication methods are supported and used in this order:
 * LOGIN
 * PLAIN
 * CRAM-MD5
+* XOAUTH2 ([Gmail](https://developers.google.com/gmail/imap/xoauth2-protocol), Yandex)
 * NTLM (untested)
 
 SASL authentication methods, besides CRAM-MD5, are not supported