diff --git a/.github/workflows/deploy-book.yml b/.github/workflows/deploy-book.yml
index 2e78658..39424b2 100644
--- a/.github/workflows/deploy-book.yml
+++ b/.github/workflows/deploy-book.yml
@@ -19,6 +19,9 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        git clone https://github.com/pyccel/psydac.git
+        cd psydac
+        python3 -m pip install .
         pip install jupyter-book ghp-import sphinx_proof
         python -m ipykernel install --user --name .iga-python --display-name "IGA-Python"