diff --git a/requirements-dev.txt b/requirements-dev.txt
index b2497c8..dc5305d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -116,7 +116,7 @@ toml==0.10.2
     #   tox
 tox==3.22.0
     # via -r requirements-dev.in
-urllib3==1.26.3
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.2
     # via