diff --git a/ChangeLog b/ChangeLog
index d739cc16..9581fc95 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -140,6 +140,11 @@ Changelog for series 0.1a:
 	The old stable branch mars 0.1.y is EOL,
 	now fully superseeded by this branch.
 
+mars0.1astable121
+	* Fix scarce use-after-free, only observed at rmmod operations
+	  under KASAN test kernel 4.14.
+	  For maximum safety, please update to this version.
+
 mars0.1astable120
 	* Fix build with LTS kernel 4.14.
 	  IMPORTANT: you need to patch your 4.14 kernel sources with