diff --git a/Changes b/Changes
index fbe8c4c..606d9aa 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,5 @@
     - [performance] Add leaf cache. (diewald)
+    - [bugfix] Fix fingerprinter (wasn't threadsafe; diewald)
 
 0.64.5 2025-12-03
     - [maintenance] Update to Java 21 (diewald)