diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6026b03..a8bf630 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,10 +16,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6.0.1
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v6.1.0
         with:
-          python-version: 3.9
+          python-version: 3.11
       - name: Install dependencies
         run: |
           pip install -r requirements.txt
diff --git a/pyproject.toml b/pyproject.toml
index 27a95a9..f7621d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ readme       = "README.md"
 authors      = [
     {name = "The Home Assistant Authors", email = "hello@home-assistant.io"}
 ]
-requires-python = ">=3.9.0"
+requires-python = ">=3.11.0"
 dependencies = [
     "aiohttp",
     "bitstruct",