diff --git a/requirements.txt b/requirements.txt
index 22ebfc0..6204381 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ six==1.12.0
 typed-ast==1.4.0
 tzlocal==1.5.1
 uritemplate==3.0.0
-urllib3==1.25.3
+urllib3==1.26.5
 vine==1.3.0
 virtualenv==15.2.0
 Werkzeug==0.15.4