diff --git a/.github/workflows/build-test-ci.yml b/.github/workflows/build-test-ci.yml
index b13a478..352d8d1 100644
--- a/.github/workflows/build-test-ci.yml
+++ b/.github/workflows/build-test-ci.yml
@@ -19,12 +19,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           miniforge-variant: Mambaforge
           miniforge-version: latest
@@ -46,10 +46,10 @@ jobs:
           nox -s test --python ${{ matrix.python-version }}
 
       - name: Test BMI
-        if: ${{ matrix.python-version == '3.9' }}
+        if: ${{ matrix.python-version == '3.12' }}
         run: |
           nox -s test-bmi --python ${{ matrix.python-version }}
 
       - name: Coveralls
-        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
+        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
         uses: AndreMiras/coveralls-python-action@develop
diff --git a/environment.yml b/environment.yml
index b245f00..f2ca7fd 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@ name: geotiff
 channels:
   - conda-forge
 dependencies:
-  - python >=3.9
+  - python >=3.10
   - pip
   - pyyaml
   - rioxarray
diff --git a/noxfile.py b/noxfile.py
index f8c16ab..737f7d9 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -10,7 +10,7 @@
 HERE = pathlib.Path(__file__)
 ROOT = HERE.parent
 PATHS = [PACKAGE, "docs", "examples", "tests", HERE.name]
-PYTHON_VERSIONS = ["3.9", "3.10", "3.11"]
+PYTHON_VERSIONS = ["3.10", "3.11", "3.12"]
 
 
 @nox.session(python=PYTHON_VERSIONS)
@@ -36,15 +36,15 @@ def test(session: nox.Session) -> None:
 @nox.session(name="test-bmi", python=PYTHON_VERSIONS, venv_backend="conda")
 def test_bmi(session: nox.Session) -> None:
     """Test the Basic Model Interface."""
-    session.conda_install("bmi-tester", "pymt>=1.3")
+    session.install("bmi-tester>=0.5.9")
     session.install(".")
     session.run(
         "bmi-test",
         f"{PACKAGE}:BmiGeoTiff",
         "--config-file",
-        "./examples/config.yaml",
+        f"{ROOT}/examples/config.yaml",
         "--root-dir",
-        "./examples",
+        "examples",
         "-vvv",
     )
 
diff --git a/pyproject.toml b/pyproject.toml
index 5187942..0bef313 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,9 @@ keywords = [
 license = {text = "MIT License"}
 classifiers = [
   "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "License :: OSI Approved :: MIT License",
   "Operating System :: OS Independent",
   "Intended Audience :: Developers",
@@ -24,7 +27,7 @@ classifiers = [
   "Intended Audience :: Education",
   "Topic :: Scientific/Engineering",
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.10"
 dependencies = [
   "numpy",
   "pyyaml",
@@ -36,7 +39,7 @@ dependencies = [
 dynamic = ["readme", "version"]
 
 [project.urls]
-Homepage = "https://github.com/csdms/bmi-geotiff"
+Homepage = "https://csdms.colorado.edu"
 Documentation = "https://bmi-geotiff.readthedocs.io/"
 Repository = "https://github.com/csdms/bmi-geotiff"
 Changelog = "https://github.com/csdms/bmi-geotiff/blob/main/CHANGES.md"
@@ -88,7 +91,7 @@ norecursedirs = [".*", "*.egg*", "build", "dist"]
 addopts = """
   --ignore setup.py
   --tb native
-  --strict
+  --strict-markers
   --durations 16
   --doctest-modules
   -vvv
@@ -105,3 +108,10 @@ include_trailing_comma = true
 force_grid_wrap = 0
 combine_as_imports = true
 line_length = 88
+
+[tool.coverage.run]
+relative_files = true
+
+[tool.zest-releaser]
+tag-format = "v{version}"
+python-file-with-version = "bmi_geotiff/_version.py"
diff --git a/setup.cfg b/setup.cfg
index 35c9fc2..f3d7d5c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,3 @@
-[coverage:run]
-relative_files = True
-
 [flake8]
 exclude = docs
 ignore =
@@ -8,7 +5,3 @@ ignore =
 	E501
 	W503
 max-line-length = 88
-
-[zest.releaser]
-tag-format = v{version}
-python-file-with-version = bmi_geotiff/_version.py