diff --git a/CHANGES.rst b/CHANGES.rst
index 9098ac4a..2258794c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,21 @@ Change log
 
 .. note:: **Upgrade notes**: after upgrading, run the ``arouteserver setup-templates`` command to sync the local templates with those distributed with the new version. More details on the `Upgrading <https://arouteserver.readthedocs.io/en/latest/INSTALLATION.html#upgrading>`__ section of the documentation.
 
+v1.5.1
+------
+
+- Improvement (Docker image): generate HTML representation of the route server configuration through the Docker image.
+
+  See also `GitHub PR70 <https://github.com/pierky/arouteserver/pull/70>`_ and `issue 69 <https://github.com/pierky/arouteserver/issues/69>`_.
+
+- Fix (Docker image): make ``RS_ASN``, ``ROUTER_ID`` and ``LOCAL_PREFIXES`` environment variables not required when a custom general.yml file is used.
+
+  See also `GitHub PR68 <https://github.com/pierky/arouteserver/pull/68>`_.
+
+- Fix: the "Reject reasons" table in the HTML representation was rendered improperly.
+
+  See also `GitHub issue 71 <https://github.com/pierky/arouteserver/issues/71>`_.
+
 v1.5.0
 ------
 
diff --git a/pierky/arouteserver/version.py b/pierky/arouteserver/version.py
index 2d5307c3..e6e16e72 100644
--- a/pierky/arouteserver/version.py
+++ b/pierky/arouteserver/version.py
@@ -13,5 +13,5 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-__version__ = "1.5.0" # pragma: no cover
+__version__ = "1.5.1-alpha1" # pragma: no cover
 COPYRIGHT_YEAR = 2021 # pragma: no cover