diff --git a/requirements.txt b/requirements.txt
index 44cf176..fbaad49 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,5 +24,5 @@ pytz==2018.7
 requests==2.20.0
 rsa==4.0
 six==1.11.0
-urllib3==1.24.1
+urllib3==1.26.5
 Werkzeug==0.14.1