diff --git a/ChangeLog b/ChangeLog
index 3503ef69f..3f0411c66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
-2022-02-06 Sibo Van Gool
+2023-11-16 Sibo Van Gool
+
+  * Released version 23.09. See Release Notes for changes.
+
+2023-02-06 Sibo Van Gool
 
   * Released version 22.02. See Release Notes of 22.02.beta.01, 22.02.beta.02, 22.02.beta.03, 22.02.beta.04,
     22.02.beta.05, and 22.02.RC.01 for changes.