diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 71784a80..925bdc81 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -16,6 +16,12 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see
 <http://www.gnu.org/licenses/>.
 
+Changes in v2023.5.1:
+  1/ Tab labels use two lines instead of eliding to fit width.
+  2/ Ignore NULL bytes in some phone images' Exif comment values.
+  3/ Italian localisation is complete.
+  4/ Other minor improvements and bug fixes.
+
 Changes in v2023.5.0:
   1/ Latitude & longitude values no longer have comma separator.
   2/ All numeric values are localised, e.g. to use decimal comma.
diff --git a/src/photini/__init__.py b/src/photini/__init__.py
index fb7f892f..f8717376 100644
--- a/src/photini/__init__.py
+++ b/src/photini/__init__.py
@@ -1,4 +1,4 @@
 """Full documentation is at https://photini.readthedocs.io/"""
 
 __version__ = '2023.5.1'
-build = '2721 (bfa368e)'
+build = '2722 (64e9222)'