diff --git a/CHANGES b/CHANGES
index 61a6d3d859..d9767531c9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6215.	[protocol]	Return REFUSED to GSS-API TKEY requests if GSS-API
+			support is not configured. [GL #4225]
+
 6213.	[bug]		Mark a primary server as temporarily unreachable if the
 			TCP connection attempt times out. [GL #4215]