diff --git a/docs/requirements.txt b/docs/requirements.txt
index 71c586449c..d36de93274 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -23,6 +23,6 @@ snowballstemmer==1.2.1
 Sphinx==1.6.3
 sphinx-click==1.2.0
 sphinxcontrib-websupport==1.0.1
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.1.0
 virtualenv-clone==0.2.6