diff --git a/requirements.txt b/requirements.txt
index e5b18ee..0fe07b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ toml==0.10.1
 tornado==6.0.4
 tqdm==4.47.0
 troposphere==2.6.1
-urllib3==1.25.9
+urllib3==1.26.5
 wcwidth==0.2.5
 Werkzeug==0.16.1
 wsgi-request-logger==0.4.6