diff --git a/docs/requirements.txt b/docs/requirements.txt
index 2cc3fbae..52fa3723 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -38,5 +38,5 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.26.6
+urllib3==1.26.18
 webencodings==0.5.1