diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index 01aafb7..897a8be 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -38,6 +38,6 @@ jobs:
         run: jupyter book build -W --keep-going .
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ${{ env.PUBLISH_DIR }}