diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c7ec6da8e2..a12a9eac31 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'docs/requirements.txt'
       - run: python -m pip install -r docs/requirements.txt
@@ -48,7 +48,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - run: python -m pip install blacken-docs
       - name: Build docs
         run: |
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 28526264a9..f590b5a7dc 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - run: python -m pip install flake8
       - name: flake8
         # Pinned to v2.0.0.
@@ -44,7 +44,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - run: python -m pip install isort
       - name: isort
         # Pinned to v2.0.0.
diff --git a/.github/workflows/schedule_tests.yml b/.github/workflows/schedule_tests.yml
index b3faa2061c..33f33a9708 100644
--- a/.github/workflows/schedule_tests.yml
+++ b/.github/workflows/schedule_tests.yml
@@ -18,7 +18,7 @@ jobs:
         python-version:
           - '3.10'
           - '3.11'
-          - '3.12-dev'
+          - '3.12'
     name: Windows, SQLite, Python ${{ matrix.python-version }}
     continue-on-error: true
     steps:
@@ -60,9 +60,11 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt-get install libmemcached-dev
       - name: Install and upgrade packaging tools
         run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r tests/requirements/py3.txt -e .
@@ -94,9 +96,11 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt-get install libmemcached-dev
       - name: Install and upgrade packaging tools
         run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r tests/requirements/py3.txt -r tests/requirements/postgres.txt -e .
diff --git a/.github/workflows/selenium.yml b/.github/workflows/selenium.yml
index 57f84ff821..57c82be242 100644
--- a/.github/workflows/selenium.yml
+++ b/.github/workflows/selenium.yml
@@ -24,9 +24,11 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt-get install libmemcached-dev
       - name: Install and upgrade packaging tools
         run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r tests/requirements/py3.txt -e .
@@ -59,9 +61,11 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt-get install libmemcached-dev
       - name: Install and upgrade packaging tools
         run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r tests/requirements/py3.txt -r tests/requirements/postgres.txt -e .
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 559a3af107..18a3b7f083 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.11'
+          - '3.12'
     name: Windows, SQLite, Python ${{ matrix.python-version }}
     steps:
       - name: Checkout
diff --git a/tests/requirements/py3.txt b/tests/requirements/py3.txt
index aad91469ec..b915eaab39 100644
--- a/tests/requirements/py3.txt
+++ b/tests/requirements/py3.txt
@@ -4,10 +4,10 @@ argon2-cffi >= 19.2.0
 bcrypt
 black
 docutils >= 0.19
-geoip2; python_version < '3.12'
+geoip2
 jinja2 >= 2.11.0
-numpy; python_version < '3.12'
-Pillow >= 6.2.1; sys.platform != 'win32' or python_version < '3.12'
+numpy
+Pillow >= 6.2.1
 # pylibmc/libmemcached can't be built on Windows.
 pylibmc; sys.platform != 'win32'
 pymemcache >= 3.4.0