diff --git a/HISTORY.rst b/HISTORY.rst
index 377ce83b..99ff66cd 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,3 +1,16 @@
+======================
+ What's new in 2.2.1
+======================
+
+Release: 2023-12-13
+
+* ``Connection.ping()`` avoid using ``MYSQL_OPT_RECONNECT`` option until
+  ``reconnect=True`` is specified. MySQL 8.0.33 start showing warning
+  when the option is used. (#664)
+* Windows: Update MariaDB Connector/C to 3.3.8. (#665)
+* Windows: Build wheels for Python 3.12 (#644)
+
+
 ======================
  What's new in 2.2.0
 ======================
diff --git a/src/MySQLdb/release.py b/src/MySQLdb/release.py
index 273a297d..c5281a5a 100644
--- a/src/MySQLdb/release.py
+++ b/src/MySQLdb/release.py
@@ -1,3 +1,3 @@
 __author__ = "Inada Naoki <songofacandy@gmail.com>"
-__version__ = "2.2.0"
-version_info = (2, 2, 0, "final", 0)
+__version__ = "2.2.1"
+version_info = (2, 2, 1, "final", 0)