diff --git a/.github/workflows/adoc_build.yml b/.github/workflows/adoc_build.yml
index 0eb366dd..6c12c33a 100644
--- a/.github/workflows/adoc_build.yml
+++ b/.github/workflows/adoc_build.yml
@@ -57,7 +57,7 @@ jobs:
     - name: Build cf-conventions.pdf
       uses: Analog-inc/asciidoctor-action@v1.2
       with:
-        shellcommand: 'asciidoctor-pdf --verbose ${FINAL_TAG} -d book cf-conventions.adoc -D conventions_build'
+        shellcommand: 'asciidoctor-pdf --verbose ${FINAL_TAG} -d book -a pdf-theme=default-theme-CF-version.yml --trace cf-conventions.adoc -D conventions_build'
     # Upload artifact containing cf-conventions.html, cf-conventions.pdf
     - name: Upload cf-conventions doc preview
       uses: actions/upload-artifact@v2