diff --git a/.github/workflows/build_docs.yaml b/.github/workflows/build_docs.yaml
index 9b59a8e..03dcbbb 100644
--- a/.github/workflows/build_docs.yaml
+++ b/.github/workflows/build_docs.yaml
@@ -23,7 +23,7 @@ jobs:
       - name: Setup Conda
         uses: s-weigand/setup-conda@v1
         with:
-          python-version: 3.9
+          python-version: '3.10'
           conda-channels: conda-forge
 
       - name: Install and Build
@@ -31,7 +31,7 @@ jobs:
         run: |
           conda config --prepend channels conda-forge
           conda config --set channel_priority strict
-          conda create -n docs python=3.9 odc-geo geopandas rasterio scipy rioxarray xarray pandoc
+          conda create -n docs python=3.10 odc-geo geopandas rasterio scipy rioxarray xarray pandoc
           source activate docs
           python -m pip install -e .[doc]
           sphinx-build -b html docs/ docs/_build/
diff --git a/.github/workflows/diff.yaml b/.github/workflows/diff.yaml
index 41d4d4e..ca6d84d 100644
--- a/.github/workflows/diff.yaml
+++ b/.github/workflows/diff.yaml
@@ -11,9 +11,9 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - name: Set up Python 3.9
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.9.13"
+        python-version: "3.10"
     - name: nbdime-git-diff
       uses: raybellwaves/nbdime-git-diff@0.0.6
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 947524f..bcec6ec 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 7d18434..d535afd 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -28,7 +28,7 @@ jobs:
       fail-fast: true
       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@v4
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 61c3980..479fe3d 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -110,7 +110,7 @@ Before you submit a pull request, check that it meets these guidelines:
 2. If the pull request adds functionality, the docs should be updated. Put
    your new functionality into a function with a docstring, and add the
    feature to the list in README.rst.
-3. The pull request should work for Python 3.9-3.11.
+3. The pull request should work for Python 3.10-3.12.
 
 Tips
 ----
diff --git a/appveyor.yml b/appveyor.yml
index 9b4f9af..6fe6259 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,7 +4,7 @@
 
 environment:
   matrix:
-    - PYTHON_VERSION: "3.9"
+    - PYTHON_VERSION: "3.10"
       MINICONDA: "C:\\Miniconda3-x64"
 
 install:
diff --git a/environment.yml b/environment.yml
index 89b0f47..608be42 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,7 +7,7 @@ channels:
 - conda-forge
 - defaults
 dependencies:
-- python=3.9
+- python=3.10
 - geopandas
 - rasterio
 - scipy
diff --git a/mypy.ini b/mypy.ini
index a183342..7425089 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.9
+python_version = 3.10
 allow_redefinition = True
 plugins = numpy.typing.mypy_plugin
 
diff --git a/setup.cfg b/setup.cfg
index d956c51..b63b71b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,9 +18,9 @@ classifiers =
     Operating System :: OS Independent
     Topic :: Scientific/Engineering :: GIS
     Programming Language :: Python
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Programming Language :: Python :: 3
     Topic :: Software Development :: Libraries :: Python Modules
     Typing :: Typed
@@ -31,7 +31,7 @@ download_url = http://python.org/pypi/geocube
 packages = find:
 zip_safe = False # https://mypy.readthedocs.io/en/stable/installed_packages.html
 include_package_data = True
-python_requires = >=3.9
+python_requires = >=3.10
 install_requires =
     appdirs
     click>=6.0