diff --git a/modules/user-guide/pages/using-vale-github-action.adoc b/modules/user-guide/pages/using-vale-github-action.adoc
index 73b63671..ceac001b 100644
--- a/modules/user-guide/pages/using-vale-github-action.adoc
+++ b/modules/user-guide/pages/using-vale-github-action.adoc
@@ -44,6 +44,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - name: Install Asciidoctor
+        run: sudo apt-get install -y asciidoctor
       - uses: errata-ai/vale-action@reviewdog
         with:
           filter_mode: diff_context