diff --git a/CHANGELOG b/CHANGELOG
index 4258a51d..d794fb0a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,40 @@
+v2.4.0
+------
+
+28 October 2023
+
+This release marks the end of 2.x version of libosdp. Bring some minor
+updates and fixes.
+
+Enhancements:
+  - libosdp: Add new API to set a log callback function
+  - unit-test: Add line noise simulation methods
+  - pytest: Add new test for CP/PD status reports
+  - pyosdp: pd: Expose a new API to check online status
+  - libosdp: Update to new logger API
+  - Expose new configure time macro REPO_ROOT
+  - configure: Add new option --debug to enable debug symbols
+  - make: Don't remove and rebuild unit-test target each time
+  - cmake: Add hook to checkout submodules
+  - pd: Use teardown in peripheral destructor only if context exists
+  - cp: Use teardown in control panel destructor only if context exists
+
+Fixes:
+  - libosdp: Fix stable API change violation
+  - unit-tests: Fix warning due to change of fclose sinature
+  - libosdp: cmake: Fix static builds with local openssl
+  - c++: add header guards
+  - pytest: testlib: Fix bug in retry count
+  - pytest: Make CP and PD restart-able
+  - API: common: Fix osdp_get_status_mask for PD mode
+  - Fix null pointer deref issue osdp_reply_name
+  - doc: Update domain name to sidcha.dev as gotomain.io has expired
+  - Update copyright year to 2023
+  - Remove obsolete travis CI config file and it's refs
+  - check osdp close file status (according prototype function comments)
+  - save PD Local Status
+
+
 v2.3.0
 ------
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83adfc16..1efeb4b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
 cmake_policy(SET CMP0063 NEW)
 
-project(libosdp VERSION 2.3.0)
+project(libosdp VERSION 2.4.0)
 
 set(PROJECT_AUTHOR       "Siddharth Chandrasekaran")
 set(PROJECT_AUTHOR_EMAIL "sidcha.dev@gmail.com")