diff --git a/.github/workflows/readthedocs.yml b/.github/workflows/readthedocs.yml
index 1c625ac..fb8aba9 100644
--- a/.github/workflows/readthedocs.yml
+++ b/.github/workflows/readthedocs.yml
@@ -30,7 +30,7 @@ jobs:
                 done
 
           - name: Upload converted files
-            uses: actions/upload-artifact@v2
+            uses: actions/upload-artifact@v4
             with:
                 name: converted-docs
                 path: '**/*.rst'