diff --git a/Doc/requirements-oldest-sphinx.txt b/Doc/requirements-oldest-sphinx.txt
index d3ef5bc17650ae..7108d9e669b1f4 100644
--- a/Doc/requirements-oldest-sphinx.txt
+++ b/Doc/requirements-oldest-sphinx.txt
@@ -33,4 +33,4 @@ sphinxcontrib-htmlhelp==2.0.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
-urllib3==2.0.4
+urllib3==2.0.6