diff --git a/requirements.txt b/requirements.txt
index 0e6c524..49b4c6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ pyzmq==18.0.1
 requests==2.21.0
 six==1.12.0
 Werkzeug==0.15.3
-urllib3==1.24.2
+urllib3==1.26.5