diff --git a/requirements_test.txt b/requirements_test.txt
index d37cdd8..22a8172 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -35,7 +35,7 @@ requests==2.20.0
 responses==0.9.0
 s3transfer==0.1.13
 six>=0.11
-urllib3==1.23
+urllib3==1.26.5
 websocket-client==0.51.0
 Werkzeug==0.14.1
 wrapt==1.10.11