diff --git a/requirements.txt b/requirements.txt
index 5a2e873..7b71861 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ pytz==2018.5
 requests==2.20.1
 six==1.11.0
 typed-ast==1.1.0
-urllib3==1.24.1
+urllib3==1.26.5
 Werkzeug==0.14.1
 wrapt==1.10.11
 yapf==0.24.0