diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ee5d1e9..58128c2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: 3.10.11
+        python-version: 3.11.9
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools wheel
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index b2e1cf0..3167913 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04, windows-2019]
-        python-version: [3.10.11]
+        python-version: [3.11.9]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/VERSION b/VERSION
index fd0a688..d92e281 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.28.9
+0.28.11