diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 24140cd..401a8fa 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: '3.10'
       - name: Install jupyter
-        run: python -m pip install jupyter nbconvert nbformat matplotlib
+        run: python -m pip install jupyter nbconvert nbformat matplotlib==3.8.3
 
       # Install Julia
       - uses: julia-actions/setup-julia@v1