diff --git a/docs/TODO b/docs/TODO
index bb2ae37c05..865c8ce0cf 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -83,6 +83,7 @@
  14. SASL
  14.1 Other authentication mechanisms
  14.2 GSSAPI via GSS-API libraries
+ 14.3 Add QOP support to GSSAPI authentication
  
  15. Client
  15.1 sync
@@ -465,6 +466,13 @@ to provide the data to send.
  Add support for GSSAPI authentication via third-party GSS-API libraries, such
  as Heimdal and MIT Kerberos.
 
+14.3 Add QOP support to GSSAPI authentication
+
+ Currently the GSSAPI authentication only supports the default QOP of auth
+ (Authentication), whilst Kerberos V5 supports both auth-int (Authentication
+ with integrity protection) and auth-conf (Authentication with integrity and
+ privacy protection).
+
 15. Client
 
 15.1 sync