diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1cdabdb9..43436b47 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -18,4 +18,4 @@ Sphinx==1.6.4
 sphinx-rtd-theme==0.2.4
 sphinxcontrib-websupport==1.0.1
 typing==3.6.2
-urllib3==1.24.3
+urllib3==1.26.5