diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 5ca970e256..32b9f32973 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -26,7 +26,7 @@ jobs:
       with:
         docs-folder: "doc/"
     # Create an artifact out of the generated HTML
-    - uses: actions/upload-artifact@v1
+    - uses: actions/upload-artifact@v2.2.1
       with:
         name: UserGuideHTML
         path: "doc/_build/html/"