diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 7e603af..46100b6 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -19,7 +19,7 @@ jobs:
         docs-folder: "docs/user_guide"
         # pre-build-command: "mkdir /tmp/sphinx-log"
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: html-docs
         path: docs/user_guide/build/html/