diff --git a/sphinxext/opengraph.py b/sphinxext/opengraph.py
index 188c1c4..d67c62f 100644
--- a/sphinxext/opengraph.py
+++ b/sphinxext/opengraph.py
@@ -219,3 +219,4 @@ def setup(app: Sphinx) -> Dict[str, Any]:
         "parallel_read_safe": True,
         "parallel_write_safe": True,
     }
+