diff --git a/requirements.txt b/requirements.txt
index 58b8794..42c73e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ toml==0.10.0
 tox==3.13.2
 traceback2==1.4.0
 unittest2==1.1.0
-urllib3==1.25.8
+urllib3==1.26.5
 virtualenv==20.0.15
 wheel==0.34.2
 zipp==3.1.0 ; python_version < '3.8'