diff --git a/CHANGES b/CHANGES
index a846ad7f23..7f5b381442 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,9 @@
+6398.	[bug]		Fix potential data races in our DoH implementation
+			related to HTTP/2 session object management and
+			endpoints set object management after reconfiguration.
+			We would like to thank Dzintars and Ivo from nic.lv
+			for bringing this to our attention. [GL #4473]
+
 6397.	[placeholder]
 
 6396.	[func]		Outgoing zone transfers are no longer enabled by