diff --git a/ChangeLog b/ChangeLog
index 53a363b..0e0aa18 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2024-01-11  Xie Yanbo  <xieyanbo@gmail.com>
+
+    * support python 3.9, 3.10, 3.11 and 3.12
+    * drop support for python 3.6
+    * upgrade robotframework to >= 4.0
+    * release version 2.4.0
+
+2022-09-07  Oli I'Anson  <oianson@cisco.com>
+
+    * upgrade prompt-toolkit to 3.x
+
 2022-06-07  Xie Yanbo  <xieyanbo@gmail.com>
 
     * drop support for python 3.5
diff --git a/DebugLibrary/version.py b/DebugLibrary/version.py
index 0f572f9..6259394 100644
--- a/DebugLibrary/version.py
+++ b/DebugLibrary/version.py
@@ -1 +1 @@
-VERSION = '2.3.0'
+VERSION = '2.4.0'