diff --git a/requirements.txt b/requirements.txt
index a980fa0..5a652e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,6 +11,6 @@ pyyaml==5.3
 requests==2.23.0
 scipy==1.3.2
 six==1.13.0
-urllib3==1.25.8
+urllib3==1.26.5
 websocket-client==0.57.0
 xarray==0.14.0