diff --git a/.github/actions/setup-pdfium/action.yml b/.github/actions/setup-pdfium/action.yml
index 26bd07a..c2a7f87 100644
--- a/.github/actions/setup-pdfium/action.yml
+++ b/.github/actions/setup-pdfium/action.yml
@@ -57,6 +57,7 @@ runs:
 
     - name: Install Linux dependencies
       if: ${{ inputs.target_os == 'linux' }}
+      shell: bash
       run: |
         PKGS=""