diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3e06af0..4ba02b4 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -45,6 +45,6 @@ toml==0.10.0
 toposort==1.5
 tornado==6.0.3
 tqdm==4.40.0
-urllib3==1.25.7
+urllib3==1.26.5
 virtualenv==16.7.8
 zipp==0.6.0