diff --git a/requirements.txt b/requirements.txt
index 392dca8..5b5ec89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ PyYAML==4.2b1
 pyzmq==17.1.2
 requests==2.20.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1