diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 72a3d1b..0e62e48 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -26,7 +26,9 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install flake8 pytest scipy torch pot matplotlib scikit-learn pandas pyvinecopulib==0.6.4
+          python -m pip install "numpy<2"
+          python -m pip install "pyvinecopulib==0.6.6"
+          python -m pip install flake8 pytest scipy torch pot matplotlib scikit-learn pandas
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Lint with flake8
         run: |