diff --git a/.github/workflows/readme-derive-reusable.yml b/.github/workflows/readme-derive-reusable.yml
index ca2df9602..95b6b2e54 100644
--- a/.github/workflows/readme-derive-reusable.yml
+++ b/.github/workflows/readme-derive-reusable.yml
@@ -126,8 +126,8 @@ jobs:
             "https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-1-amd64.deb"
           sudo dpkg -i /tmp/pandoc.deb
           sudo gem install --no-document \
-            asciidoctor -v "$ASCIIDOCTOR_VERSION" \
-            asciidoctor-reducer -v "$ASCIIDOCTOR_REDUCER_VERSION"
+            "asciidoctor:${ASCIIDOCTOR_VERSION}" \
+            "asciidoctor-reducer:${ASCIIDOCTOR_REDUCER_VERSION}"
           pandoc --version | head -1
           asciidoctor --version | head -1