diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index db018fb21446..7179685d0306 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -72,6 +72,8 @@ Optimizations
 
 * GITHUB#12160: Concurrent rewrite for AbstractKnnVectorQuery. (Kaival Parikh)
 
+* GITHUB#12270 Don't generate stacktrace in CollectionTerminatedException. (Armin Braun)
+
 Bug Fixes
 ---------------------