diff --git a/.github/workflows/apps.test.yaml b/.github/workflows/apps.test.yaml
index 79e761d2cbf..8b27cf86b51 100644
--- a/.github/workflows/apps.test.yaml
+++ b/.github/workflows/apps.test.yaml
@@ -287,6 +287,7 @@ jobs:
           done
           wait
       - name: fetch dependencies
+        shell: bash
         run: |
           fetchtask(){
             if [ -d "$1" ]; then