diff --git a/action.yml b/action.yml
index 8e26c5d..0951ef3 100644
--- a/action.yml
+++ b/action.yml
@@ -111,6 +111,7 @@ runs:
       # Run normal publishing if releasing is not enabled or if no release was created
     - name: Publish with Gradle
       if: ${{ inputs.release != 'true' || steps.release.outputs.new_release_published == 'false' }}
+      shell: bash
       env:
         # For Gradle execution
         # FIXME to test - can these be passed from the caller of the composite action?