diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 1de321e..3288c72 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -21,7 +21,7 @@ jobs:
         # build-command: "sphinx-build -b html docs/source/ docs/build/html"
         pre-build-command: "apt-get update -y && apt-get install -y pandoc"
     - name: Upload artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: html-docs
         path: docs/build/html/