diff --git a/.github/workflows/array-api-tests.yml b/.github/workflows/array-api-tests.yml
index 8fd75eff..46f79f6c 100644
--- a/.github/workflows/array-api-tests.yml
+++ b/.github/workflows/array-api-tests.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout Cubed
@@ -126,4 +126,4 @@ jobs:
 
           EOF
 
-          pytest -v -rxXfEA --hypothesis-max-examples=2 --disable-data-dependent-shapes --disable-extension linalg --hypothesis-disable-deadline --cov=cubed.array_api --cov-report=term-missing
+          pytest -v -rxXfEA --hypothesis-max-examples=2 --disable-data-dependent-shapes --disable-extension linalg --hypothesis-disable-deadline
diff --git a/.github/workflows/beam-tests.yml b/.github/workflows/beam-tests.yml
index 463196b2..1017acdd 100644
--- a/.github/workflows/beam-tests.yml
+++ b/.github/workflows/beam-tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/dask-tests.yml b/.github/workflows/dask-tests.yml
index 586d6fb2..0abb7da4 100644
--- a/.github/workflows/dask-tests.yml
+++ b/.github/workflows/dask-tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/jax-tests.yml b/.github/workflows/jax-tests.yml
index c8e0aa9e..02fdac7b 100644
--- a/.github/workflows/jax-tests.yml
+++ b/.github/workflows/jax-tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/modal-tests.yml b/.github/workflows/modal-tests.yml
index 4d48629a..d989a1ce 100644
--- a/.github/workflows/modal-tests.yml
+++ b/.github/workflows/modal-tests.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9253c21f..d012df41 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: "3.9"
+          python-version: "3.10"
       - name: Install pypa/build
         run: >-
           python3 -m
diff --git a/.github/workflows/scale-tests.yml.disabled b/.github/workflows/scale-tests.yml.disabled
index 14a5596c..bfdf3cda 100644
--- a/.github/workflows/scale-tests.yml.disabled
+++ b/.github/workflows/scale-tests.yml.disabled
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/slow-tests.yml b/.github/workflows/slow-tests.yml
index f95761b1..f3d980cd 100644
--- a/.github/workflows/slow-tests.yml
+++ b/.github/workflows/slow-tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d962eafe..4c7674d6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-12", "windows-latest"]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
         PIP_FLAGS: [""]
         include:
           - os: "ubuntu-latest"
diff --git a/docs/contributing.md b/docs/contributing.md
index 477fdc46..9cc18990 100644
--- a/docs/contributing.md
+++ b/docs/contributing.md
@@ -7,7 +7,7 @@ Contributions to Cubed are very welcome. Please head over to [GitHub](https://gi
 Create an environment with
 
 ```shell
-conda create --name cubed python=3.9
+conda create --name cubed python=3.10
 conda activate cubed
 pip install -r requirements.txt
 pip install -e .
diff --git a/examples/dataflow/README.md b/examples/dataflow/README.md
index fbfd5e3f..36512d03 100644
--- a/examples/dataflow/README.md
+++ b/examples/dataflow/README.md
@@ -9,7 +9,7 @@
 1. Install a Python environment with the basic package requirements:
 
 ```shell
-conda create --name cubed-dataflow-examples -y python=3.9
+conda create --name cubed-dataflow-examples -y python=3.10
 conda activate cubed-dataflow-examples
 pip install -r requirements.txt
 ```
diff --git a/pyproject.toml b/pyproject.toml
index 22527ede..87336f14 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,12 +17,11 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "aiostream",
     "array-api-compat",