diff --git a/dockerGrader/client/requirements.txt b/dockerGrader/client/requirements.txt
index 8f25a62..bcdbf1d 100644
--- a/dockerGrader/client/requirements.txt
+++ b/dockerGrader/client/requirements.txt
@@ -9,4 +9,4 @@ python-dateutil==2.7.3
 requests==2.20.0
 s3transfer==0.1.13
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5