diff --git a/modules/programs/aerc-accounts.nix b/modules/programs/aerc-accounts.nix
index ebe1d5413..b7d78e4e9 100644
--- a/modules/programs/aerc-accounts.nix
+++ b/modules/programs/aerc-accounts.nix
@@ -48,7 +48,8 @@ in {
           '';
         };
         smtpAuth = mkOption {
-          type = with types; nullOr (enum [ "none" "plain" "login" ]);
+          type = with types;
+            nullOr (enum [ "none" "plain" "login" "oauthbearer" "xoauth2" ]);
           default = "plain";
           example = "auth";
           description = ''