diff --git a/doc/conf.py b/doc/conf.py
index ef28f92ff1a..315cee38a07 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -24,6 +24,7 @@
 coverage_statistics_to_report = coverage_statistics_to_stdout = True
 templates_path = ['_templates']
 exclude_patterns = ['_build']
+suppress_warnings = ['toc.multiple_toc_parents']
 
 project = 'Sphinx'
 copyright = '2007-%Y, the Sphinx developers'
diff --git a/sphinx/environment/__init__.py b/sphinx/environment/__init__.py
index fa7d17d7800..c98f17c3ca8 100644
--- a/sphinx/environment/__init__.py
+++ b/sphinx/environment/__init__.py
@@ -936,7 +936,7 @@ def _check_toc_parents(toctree_includes: dict[str, list[str]]) -> None:
 
     for doc, parents in sorted(toc_parents.items()):
         if len(parents) > 1:
-            logger.info(
+            logger.warning(
                 __(
                     'document is referenced in multiple toctrees: %s, selecting: %s <- %s'
                 ),