diff --git a/.github/workflows/test_notebooks.yml b/.github/workflows/test_notebooks.yml
index 80c6ca2..9e3b30f 100644
--- a/.github/workflows/test_notebooks.yml
+++ b/.github/workflows/test_notebooks.yml
@@ -31,6 +31,7 @@ jobs:
           mkdir -p "$(dirname "$new_path")"
           mv "$file" "$new_path"
         done
+        shell: bash
 
     - name: Get changed files
       id: changed-files