diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69cde0..3945002 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,3 @@
-## v0.5.0 (2025-01-26)
-
-### Feat
-
-- add pkg extras for postgres, mysql; update install doc
-- allow basic support for item discounts
-
-### Fix
-
-- add setup hook to auto-create Order Admin role
-- bugfix for view order item page template
-
 ## v0.4.0 (2025-01-23)
 
 ### Feat
diff --git a/docs/narr/install.rst b/docs/narr/install.rst
index 5d2cd2c..68ded40 100644
--- a/docs/narr/install.rst
+++ b/docs/narr/install.rst
@@ -8,33 +8,21 @@ Prerequisites
 -------------
 
 You'll need Python >= 3.8, and a database.  See also
-the Wutta docs:
-
-* :doc:`wuttjamaican:narr/install/prereqs`
-* :ref:`wuttjamaican:create-appdb`
-
-But for convenience here is a cheat sheet:
-
-*PostgreSQL*
+:doc:`wuttjamaican:narr/install/prereqs` in the Wutta docs.
 
 .. code-block:: sh
 
    sudo apt install build-essential python3-dev python3-venv postgresql libpq-dev
 
-   sudo -u postgres createuser sideshow
-   sudo -u postgres psql -c "ALTER USER sideshow PASSWORD 'mypassword'"
-   sudo -u postgres createdb -O sideshow sideshow
-
-*MySQL*
+As for the database, see also :ref:`wuttjamaican:create-appdb` but FYI
+these docs will assume a PostgreSQL setup with ``sideshow`` as the DB
+name (and PG username).
 
 .. code-block:: sh
 
-   sudo apt install build-essential python3-dev python3-venv default-mysql-server
-
-   sudo mysql -e "CREATE USER sideshow@localhost"
-   sudo mysql -e "ALTER USER sideshow@localhost  IDENTIFIED BY 'mypassword'"
-   sudo mysqladmin create sideshow
-   sudo mysql -e "GRANT ALL ON sideshow.* TO sideshow@localhost"
+   sudo -u postgres createuser sideshow
+   sudo -u postgres psql -c "ALTER USER sideshow PASSWORD 'mypassword'"
+   sudo -u postgres createdb -O sideshow sideshow
 
 
 Virtual Environment
@@ -61,16 +49,12 @@ the folder ownership should be changed to whatever you need:
 Install Sideshow
 ----------------
 
-First install the Sideshow package to your virtual environment.  Note
-that you must specify which DB backend to use:
+First install the Sideshow package to your virtual environment:
 
 .. code-block:: sh
 
-   # postgres
-   bin/pip install Sideshow[postgres]
-
-   # mysql
-   bin/pip install Sideshow[mysql]
+   cd /srv/envs/sideshow
+   bin/pip install Sideshow
 
 Then you can run the Sideshow installer:
 
diff --git a/pyproject.toml b/pyproject.toml
index e1d42a8..5b65704 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "Sideshow"
-version = "0.5.0"
+version = "0.4.0"
 description = "Case/Special Order Tracker"
 readme = "README.md"
 authors = [
@@ -32,12 +32,11 @@ classifiers = [
 license = {text = "GNU General Public License v3+"}
 requires-python = ">= 3.8"
 dependencies = [
-        "WuttaWeb>=0.20.6",
+        "psycopg2",
+        "WuttaWeb>=0.20.5",
 ]
 
 [project.optional-dependencies]
-postgres = ["psycopg2"]
-mysql = ["mysql-connector-python"]
 docs = ["Sphinx", "furo", "sphinxcontrib-programoutput", "enum-tools[sphinx]"]
 tests = ["pytest-cov", "tox"]