diff --git a/CHANGES.txt b/CHANGES.txt
index 5097ab9..f865e9a 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -28,3 +28,4 @@ v2.3.0, 22 June 2022 -- Support Push updated from supported ECHONETlite entities
 v2.3.1, 09 Jul 2022 -- Electronic lock bug fixes and stability improvements.
 v2.3.2, 30 Jul 2022 -- Discover process optimization and request success/failure detection.
 v2.3.3, 03 Aug 2022 -- Fixed a bug in judging the success or failure of the data set request.
+v2.3.4, 04 Aug 2022 -- Fix data handling issues in process_discovery_data().
diff --git a/pychonet/version.py b/pychonet/version.py
index f881fbd..5353049 100644
--- a/pychonet/version.py
+++ b/pychonet/version.py
@@ -1,2 +1,2 @@
-__version_info__ = (2, 3, 3)
+__version_info__ = (2, 3, 4)
 __version__ = '.'.join(map(str, __version_info__))