diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b9a381..a249452 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,30 @@ All notable changes to rattail-tempmon will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## v0.4.6 (2024-08-19)
+
+### Fix
+
+- avoid deprecated base class for config extension
+
+## v0.4.5 (2024-07-02)
+
+### Fix
+
+- fix signature for calls to `get_engines()`
+
+## v0.4.4 (2024-07-02)
+
+### Fix
+
+- avoid deprecated function for engine config
+
+## v0.4.3 (2024-07-01)
+
+### Fix
+
+- remove references, dependency for `six` package
+
 ## v0.4.2 (2024-07-01)
 
 ### Fix
diff --git a/README.rst b/README.md
similarity index 64%
rename from README.rst
rename to README.md
index 39651c1..979c915 100644
--- a/README.rst
+++ b/README.md
@@ -1,6 +1,5 @@
 
-rattail-tempmon
-===============
+# rattail-tempmon
 
 Rattail is a retail software framework, released under the GNU General Public
 License.
@@ -8,6 +7,5 @@ License.
 This is the ``rattail-tempmon`` package, which provides a database schema, and
 client/server daemons for recording and processing temperature data.
 
-Please see Rattail's `home page`_ for more information.
-
-.. _home page: https://rattailproject.org/
+Please see Rattail's [home page](https://rattailproject.org/) for more
+information.
diff --git a/pyproject.toml b/pyproject.toml
index 68af181..0e694fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,9 +6,9 @@ build-backend = "hatchling.build"
 
 [project]
 name = "rattail-tempmon"
-version = "0.4.2"
+version = "0.4.6"
 description = "Retail Software Framework - Temperature monitoring add-on"
-readme = "README.rst"
+readme = "README.md"
 authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]
 license = {text = "GNU GPL v3+"}
 classifiers = [
@@ -24,15 +24,14 @@ classifiers = [
 ]
 dependencies = [
         "rattail[db]",
-        "six",
         "sqlsoup",
 ]
 
 
 [project.urls]
 Homepage = "https://rattailproject.org"
-Repository = "https://kallithea.rattailproject.org/rattail-project/rattail-tempmon"
-Changelog = "https://kallithea.rattailproject.org/rattail-project/rattail-tempmon/files/master/CHANGES.rst"
+Repository = "https://forgejo.wuttaproject.org/rattail/rattail-tempmon"
+Changelog = "https://forgejo.wuttaproject.org/rattail/rattail-tempmon/src/branch/master/CHANGELOG.md"
 
 
 [project.entry-points."rattail.config.extensions"]
diff --git a/rattail_tempmon/config.py b/rattail_tempmon/config.py
index 1c30d30..a5f1333 100644
--- a/rattail_tempmon/config.py
+++ b/rattail_tempmon/config.py
@@ -1,8 +1,8 @@
-# -*- coding: utf-8 -*-
+# -*- coding: utf-8; -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2017 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,14 +24,13 @@
 Tempmon config extension
 """
 
-from __future__ import unicode_literals, absolute_import
+from wuttjamaican.db import get_engines
+from wuttjamaican.conf import WuttaConfigExtension
 
-from rattail.config import ConfigExtension
-from rattail.db.config import get_engines
 from rattail_tempmon.db import Session
 
 
-class TempmonConfigExtension(ConfigExtension):
+class TempmonConfigExtension(WuttaConfigExtension):
     """
     Config extension for tempmon; adds tempmon DB engine/Session etc.  Expects
     something like this in your config:
@@ -53,10 +52,10 @@ class TempmonConfigExtension(ConfigExtension):
     def configure(self, config):
 
         # tempmon
-        config.tempmon_engines = get_engines(config, section='rattail_tempmon.db')
+        config.tempmon_engines = get_engines(config, 'rattail_tempmon.db')
         config.tempmon_engine = config.tempmon_engines.get('default')
         Session.configure(bind=config.tempmon_engine)
 
         # hotcooler
-        config.hotcooler_engines = get_engines(config, section='hotcooler.db')
+        config.hotcooler_engines = get_engines(config, 'hotcooler.db')
         config.hotcooler_engine = config.hotcooler_engines.get('default')
diff --git a/rattail_tempmon/server.py b/rattail_tempmon/server.py
index f5ef640..a54614a 100644
--- a/rattail_tempmon/server.py
+++ b/rattail_tempmon/server.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2018 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,13 +24,10 @@
 Tempmon server daemon
 """
 
-from __future__ import unicode_literals, absolute_import
-
 import time
 import datetime
 import logging
 
-import six
 import humanize
 from sqlalchemy import orm
 from sqlalchemy.exc import OperationalError
@@ -91,7 +88,7 @@ class TempmonServerDaemon(Daemon):
                 # first time after DB stop.  but in the case of DB stop,
                 # subsequent errors will instead match the second test
                 if error.connection_invalidated or (
-                        'could not connect to server: Connection refused' in six.text_type(error)):
+                        'could not connect to server: Connection refused' in str(error)):
 
                     # only suppress logging for 3 failures, after that we let them go
                     # TODO: should make the max attempts configurable
@@ -99,7 +96,7 @@ class TempmonServerDaemon(Daemon):
                         log_error = False
                         log.debug("database connection failure #%s: %s",
                                   self.failed_checks,
-                                  six.text_type(error))
+                                  str(error))
 
             # send error email unless we're suppressing it for now
             if log_error: