diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fc8cb636979e..2005ada06994 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,17 +9,24 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.11
+          python-version: 3.12
+          allow-prereleases: true
       - uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+      # - if: "contains(matrix.python-version, '-dev')"
+      - run: |
+          sudo apt-get update
+          # https://lxml.de/installation.html#requirements
+          sudo apt-get install -y libxml2 libxslt-dev
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools six wheel
+          # python -m pip install Cython git+https://github.com/cclauss/numpy.git@patch-1
           python -m pip install pytest-cov -r requirements.txt
       - name: Run tests
         # TODO: #8818 Re-enable quantum tests
diff --git a/.github/workflows/directory_writer.yml b/.github/workflows/directory_writer.yml
index 702c15f1e29b..8ed02ee74695 100644
--- a/.github/workflows/directory_writer.yml
+++ b/.github/workflows/directory_writer.yml
@@ -11,7 +11,8 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.12
+          allow-prereleases: true
       - name: Write DIRECTORY.md
         run: |
           scripts/build_directory_md.py 2>&1 | tee DIRECTORY.md
diff --git a/.github/workflows/project_euler.yml b/.github/workflows/project_euler.yml
index 7bbccf76e192..ed68341482ad 100644
--- a/.github/workflows/project_euler.yml
+++ b/.github/workflows/project_euler.yml
@@ -17,11 +17,12 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.12
+          allow-prereleases: true
       - name: Install pytest and pytest-cov
         run: |
           python -m pip install --upgrade pip
-          python -m pip install --upgrade numpy pytest pytest-cov
+          python -m pip install --upgrade numpy==v1.26.0rc1 pytest pytest-cov
       - run: pytest --doctest-modules --cov-report=term-missing:skip-covered --cov=project_euler/ project_euler/
   validate-solutions:
     runs-on: ubuntu-latest
@@ -29,11 +30,12 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.12
+          allow-prereleases: true
       - name: Install pytest and requests
         run: |
           python -m pip install --upgrade pip
-          python -m pip install --upgrade numpy pytest requests
+          python -m pip install --upgrade numpy==v1.26.0rc1 pytest requests
       - run: pytest scripts/validate_solutions.py
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/requirements.txt b/requirements.txt
index 1128e9d66820..2570ca829485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,20 +4,20 @@ imageio
 keras
 lxml
 matplotlib
-numpy
+numpy==v1.26.0rc1
 opencv-python
-pandas
+pandas ; python_version < '3.12'
 pillow
-projectq
-qiskit
-qiskit-aer
+projectq ; python_version < '3.12'
+qiskit ; python_version < '3.12'
+qiskit-aer ; python_version < '3.12'
 requests
 rich
 scikit-fuzzy
-scikit-learn
-statsmodels
+scikit-learn ; python_version < '3.12'
+statsmodels ; python_version < '3.12'
 sympy
-tensorflow
+tensorflow ; python_version < '3.12'
 texttable
 tweepy
 xgboost