diff --git a/CHANGELOG.md b/CHANGELOG.md
index 030ad96..fd71818 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,18 +5,6 @@ All notable changes to rattail-wave 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).
 
-## v0.3.2 (2024-08-18)
-
-### Fix
-
-- avoid deprecated base class for config extension
-
-## v0.3.1 (2024-07-01)
-
-### Fix
-
-- remove legacy command definitions
-
 ## v0.3.0 (2024-06-10)
 
 ### Feat
diff --git a/README.md b/README.md
deleted file mode 100644
index 53e91b2..0000000
--- a/README.md
+++ /dev/null
@@ -1,11 +0,0 @@
-
-# rattail-wave
-
-Rattail is a retail software framework, released under the GNU General
-Public License.
-
-This package contains software interfaces for
-[Wave](https://www.waveapps.com/).
-
-Please see the [Rattail Project](https://rattailproject.org/) for more
-information.
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..7e17f4c
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,14 @@
+
+rattail-wave
+============
+
+Rattail is a retail software framework, released under the GNU General
+Public License.
+
+This package contains software interfaces for `Wave`_.
+
+.. _`Wave`: https://www.waveapps.com/
+
+Please see the `Rattail Project`_ for more information.
+
+.. _`Rattail Project`: https://rattailproject.org/
diff --git a/pyproject.toml b/pyproject.toml
index ae4c88a..a31ee88 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,9 +6,9 @@ build-backend = "hatchling.build"
 
 [project]
 name = "rattail-wave"
-version = "0.3.2"
+version = "0.3.0"
 description = "Rattail integration package for Wave"
-readme = "README.md"
+readme = "README.rst"
 authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]
 license = {text = "GNU GPL v3+"}
 classifiers = [
@@ -29,6 +29,10 @@ dependencies = [
 ]
 
 
+[project.entry-points."rattail.subcommands"]
+import-wave = "rattail_wave.commands:ImportWave"
+
+
 [project.entry-points."rattail.typer_imports"]
 rattail_wave = "rattail_wave.commands"
 
@@ -43,8 +47,8 @@ rattail_wave = "rattail_wave.config:RattailWaveExtension"
 
 [project.urls]
 Homepage = "https://rattailproject.org"
-Repository = "https://forgejo.wuttaproject.org/rattail/rattail-wave"
-Changelog = "https://forgejo.wuttaproject.org/rattail/rattail-wave/src/branch/master/CHANGELOG.md"
+Repository = "https://kallithea.rattailproject.org/rattail-project/rattail-wave"
+Changelog = "https://kallithea.rattailproject.org/rattail-project/rattail-wave/files/master/CHANGELOG.md"
 
 
 [tool.commitizen]
diff --git a/rattail_wave/commands.py b/rattail_wave/commands.py
index 00586dc..9796ace 100644
--- a/rattail_wave/commands.py
+++ b/rattail_wave/commands.py
@@ -26,7 +26,7 @@ rattail-wave commands
 
 import typer
 
-from rattail.commands import rattail_typer
+from rattail.commands import rattail_typer, ImportSubcommand
 from rattail.commands.typer import importer_command, typer_get_runas_user
 from rattail.commands.importing import ImportCommandHandler
 
@@ -46,3 +46,12 @@ def import_wave(
         config, import_handler_key='to_rattail.from_wave.import')
     kwargs['user'] = typer_get_runas_user(ctx)
     handler.run(kwargs, progress=progress)
+
+
+class ImportWave(ImportSubcommand):
+    """
+    Import data to Rattail, from Wave API
+    """
+    name = 'import-wave'
+    description = __doc__.strip()
+    handler_key = 'to_rattail.from_wave.import'
diff --git a/rattail_wave/config.py b/rattail_wave/config.py
index fb68972..0c7f9e6 100644
--- a/rattail_wave/config.py
+++ b/rattail_wave/config.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2024 Lance Edgar
+#  Copyright © 2010-2022 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,10 +24,10 @@
 Config Extension
 """
 
-from wuttjamaican.conf import WuttaConfigExtension
+from rattail.config import ConfigExtension
 
 
-class RattailWaveExtension(WuttaConfigExtension):
+class RattailWaveExtension(ConfigExtension):
     """
     Config extension for rattail-wave.
     """