diff --git a/ChangeLog.md b/ChangeLog.md
index 058bf72..4060ac3 100755
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,8 @@ XP AST ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 9.1.0 / 2022-11-06
+
 * Add support for generic wildcards such as `Filter<?>`, resolving
   ambiguity with nullable types
   (@thekid)