diff --git a/.github/workflows/infra.yaml b/.github/workflows/infra.yaml
index 1ec00f9..5f4e516 100644
--- a/.github/workflows/infra.yaml
+++ b/.github/workflows/infra.yaml
@@ -39,14 +39,10 @@ jobs:
 
       - name: Get changed playbooks
         id: changed-playbooks
-        uses: tj-actions/changed-files@v38
-        with:
-          base_sha: ${{ github.event.pull_request.base.sha }}
-          files: infra/**-playbook.yaml
+        run: |
+          git diff --name-only ${{ github.event.pull_request.base.sha }} HEAD | base64 | xargs -I {} echo "files_b64={}" >> "$GITHUB_OUTPUT"
 
       - name: Check modified playbooks
         run: |
-          echo "Got changed files: '${{ steps.changed-playbooks.outputs.all_changed_files }}'"
-          for file in ${{ steps.changed-playbooks.outputs.all_changed_files }}; do
-            ansible --inventory ./inventory --check "$file"
-          done
+          export FILES="${{ steps.changed-playbooks.outputs.files_b64 }}"
+          echo "Got changed files: '$(echo $FILES | base64 -d | xargs echo)'"