diff --git a/ChangeLog.rst b/ChangeLog.rst
index eb723fd..cd5502d 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,3 +1,7 @@
+2.2 - 2025-02-13
+================
+  - The C-accelerated BinaryCIF parser now supports a wider range of data types.
+
 2.1 - 2025-02-12
 ================
   - Minor fixes to the C-accelerated BinaryCIF parser.
diff --git a/MANIFEST.in b/MANIFEST.in
index fc228e7..a7af936 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,4 +4,4 @@ include examples/*
 include src/cmp.h
 include src/ihm_format.h
 include src/ihm_format.i
-include src/ihm_format_wrap_2.1.c
+include src/ihm_format_wrap_2.2.c
diff --git a/ihm/__init__.py b/ihm/__init__.py
index e3822e2..4cd72bd 100644
--- a/ihm/__init__.py
+++ b/ihm/__init__.py
@@ -17,7 +17,7 @@
 import json
 from . import util
 
-__version__ = '2.1'
+__version__ = '2.2'
 
 
 class __UnknownValue:
diff --git a/setup.py b/setup.py
index 6ddd4de..5e31a53 100755
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 import sys
 import os
 
-VERSION = "2.1"
+VERSION = "2.2"
 
 copy_args = sys.argv[1:]
 
diff --git a/util/debian/changelog b/util/debian/changelog
index 4d4ec2e..b7585e6 100644
--- a/util/debian/changelog
+++ b/util/debian/changelog
@@ -1,3 +1,9 @@
+python-ihm (2.2-1~@CODENAME@) @CODENAME@; urgency=low
+
+  * python-ihm 2.2 release
+
+ -- Ben Webb <ben@salilab.org>  Thu, 13 Feb 2025 20:24:55 -0800
+
 python-ihm (2.1-1~@CODENAME@) @CODENAME@; urgency=low
 
   * python-ihm 2.1 release
diff --git a/util/python-ihm.spec b/util/python-ihm.spec
index fd37289..5c51a75 100644
--- a/util/python-ihm.spec
+++ b/util/python-ihm.spec
@@ -1,7 +1,7 @@
 Name:          python3-ihm
 License:       MIT
 Group:         Applications/Engineering
-Version:       2.1
+Version:       2.2
 Release:       1%{?dist}
 Summary:       Package for handling IHM mmCIF and BinaryCIF files
 Packager:      Ben Webb <ben@salilab.org>
@@ -36,6 +36,9 @@ sed -i -e "s/install_requires=\['msgpack'\]/#/" setup.py
 %defattr(-,root,root)
 
 %changelog
+* Thu Feb 13 2025 Ben Webb <ben@salilab.org>   2.2-1
+- Update to latest upstream.
+
 * Wed Feb 12 2025 Ben Webb <ben@salilab.org>   2.1-1
 - Update to latest upstream.