diff --git a/requirements.txt b/requirements.txt
index e27cd42e..0d47c022 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ oauth2client>=4.0.0
 tornado>=6.0.1
 google-api-python-client>=1.7.8
 cloudpickle>=0.8,<=1.4.1
-urllib3==1.24.2
+urllib3==1.26.4
 boto3>=1.9.0
 azure-storage-file>=2.1.0
 azure-mgmt-storage>=9.0.0