diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 537c225..dafa703 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
           kill $SERVER_PID
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: documentation-site
           path: site/