diff --git a/.github/workflows/build-docs.yaml b/.github/workflows/build-docs.yaml
index f869c82..daa09e6 100644
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@@ -44,7 +44,7 @@ jobs:
         path: docs.pdf
 
     - name: Deploy
-      uses: traverseda/actions-gh-pages
+      uses: traverseda/actions-gh-pages@v4.0.1
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./docs/build/html