diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2b51a7e..a0410df 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -34,6 +34,7 @@ jobs:
       - name: Run notebooks
         shell: bash -l {0}
         run: |
+          set -e
           for file in examples/*.ipynb; do
             jupyter nbconvert --to notebook --execute --ExecutePreprocessor.timeout=300 "$file"
           done