diff --git a/.github/workflows/screenshot-comparison.yml b/.github/workflows/screenshot-comparison.yml
index e41ebba..9bf19a0 100644
--- a/.github/workflows/screenshot-comparison.yml
+++ b/.github/workflows/screenshot-comparison.yml
@@ -30,6 +30,7 @@ jobs:
         pip install --upgrade jupyterlab
         pip install --upgrade voila
         pip install --upgrade voila-osscar-template
+        pip install --upgrade ase
         pip install -e .
 
     - name: Run the voila server
diff --git a/.github/workflows/widget-test.yml b/.github/workflows/widget-test.yml
index df7a0be..5025f1b 100644
--- a/.github/workflows/widget-test.yml
+++ b/.github/workflows/widget-test.yml
@@ -30,6 +30,7 @@ jobs:
         pip install --upgrade jupyterlab
         pip install --upgrade voila
         pip install --upgrade voila-osscar-template
+        pip install --upgrade ase
         pip install -e .
 
     - name: Run the voila server