diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index 3cd1733..159d665 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -21,9 +21,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
-      - name: ruff
-        uses: chartboost/ruff-action@v1
+      - uses: chartboost/ruff-action@v1
 
   matrix:
     name: Python ${{ matrix.python-version }}
@@ -32,10 +30,10 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.9"
+          # - "3.9"
           - "3.10"
           - "3.11"
-          # - "3.12"  # TODO: dm package not ready
+          - "3.12"
       max-parallel: 5
 
     steps:
diff --git a/CHANGES.rst b/CHANGES.rst
index 019ae83..dfa07d0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -18,8 +18,21 @@ The project `milestones <https://github.com/BCDA-APS/apstools/milestones>`_
 describe the future plans.
 
 ..
+   2.0.0
+   *****
+
    next release expected by -tba-
 
+   Notice
+   ------
+
+   Complete overhaul for APS-U era.
+
+   Maintenance
+   -----------
+
+   Update to install and run with Python versions 3.10, 3.11, 3.12.
+
 pyyaml
 
 1.5.6
diff --git a/pyproject.toml b/pyproject.toml
index ef0c4b5..a28dddd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ maintainers = [
 ]
 dynamic = ["version"]
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = ["APS", "BSS", "bluesky", "ophyd"]
 # https://packaging.python.org/en/latest/specifications/declaring-project-metadata/?highlight=license
 license = {file = "LICENSE.txt"}
@@ -29,9 +29,9 @@ classifiers = [
     "License :: Public Domain",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
-    # "Programming Language :: Python :: 3.8",
-    # "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Topic :: Scientific/Engineering :: Astronomy",
     "Topic :: Scientific/Engineering :: Bio-Informatics",