diff --git a/docs/_build/requirements.txt b/docs/_build/requirements.txt
index 549c61543..e6051fbc7 100644
--- a/docs/_build/requirements.txt
+++ b/docs/_build/requirements.txt
@@ -14,7 +14,7 @@ packaging==26.3
 Pygments==2.21.0
 pymdown-extensions==12.3
 pyparsing==3.3.3
-python-dateutil==3.0.0
+python-dateutil==4.0.0
 PyYAML==6.0.3
 pyyaml_env_tag==1.1
 six==1.17.0