diff --git a/doc/manual/requirements.txt b/doc/manual/requirements.txt
index 92ebe8943..0e2fb1da3 100644
--- a/doc/manual/requirements.txt
+++ b/doc/manual/requirements.txt
@@ -32,5 +32,5 @@ sphinxcontrib-htmlhelp==2.0.0
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
-urllib3==1.26.9
+urllib3==2.6.3
 zipp==3.8.0