diff --git a/requirements-dev.txt b/requirements-dev.txt
index 05653108b..5cd79abf9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -37,6 +37,6 @@ tox-pip-extensions==1.6.0
 typed-ast==1.4.1
 typing-extensions==3.7.4.3
 unidiff==0.6.0
-urllib3==1.26.2
+urllib3==1.26.3
 virtualenv==20.2.1
 zipp==3.4.0