diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index 9f2bd0a..2b5cc1d 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -18,4 +18,4 @@ six==1.12.0
 snowballstemmer==1.2.1
 Sphinx==1.5.3
 sphinx-rtd-theme==0.4.2
-urllib3==1.26.19
+urllib3==2.6.0