diff --git a/CHANGES.txt b/CHANGES.txt
index e6ecb4253c..c51a870e3c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -41,6 +41,7 @@
  * Replace array iterators with get by index (CASSANDRA-15394)
  * Minimize BTree iterator allocations (CASSANDRA-15389)
 Merged from 3.11:
+ * Upgrade Jackson to 2.9.10 (CASSANDRA-15867)
  * Fix CQL formatting of read command restrictions for slow query log (CASSANDRA-15503)
 Merged from 3.0:
  * Catch exception on bootstrap resume and init native transport (CASSANDRA-15863)