Fix #3823
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 2fc50b9..2d10f8f 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -26,6 +26,7 @@
- Fixed a bug (#3787) - :doc:`FTP Library <libraries/ftp>` method ``delete_dir()`` failed when the target has subdirectories.
- Fixed a bug (#3801) - :doc:`Output Library <libraries/output>` method ``_display_cache()`` incorrectly looked for the last modified time of a directory instead of the cache file.
- Fixed a bug (#3816) - :doc:`Form Validation Library <libraries/form_validation>` treated empty string values as non-existing ones.
+- Fixed a bug (#3823) - :doc:`Session Library <libraries/sessions>` drivers Redis and Memcached didn't properly handle locks that are blocking the request for more than 30 seconds.
Version 3.0.0
=============