diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index 6ccbe52..6d45a3f 100644
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -23,4 +23,4 @@
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
-urllib3==1.26.9
+urllib3==2.0.6