diff --git a/CHANGES b/CHANGES
index ceb83dcad5..944496db2d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6000.	[bug]		Fix a startup issue on Solaris systems with many
+			(reportedly > 510) CPUs. Thanks to Stacey Marshall from
+			Oracle for deep investigation of the problem. [GL #3563]
+
 5999.	[bug]		rpz-ip rules could be ineffective in some scenarios
 			with CD=1 queries. [GL #3247]