diff --git a/requirements.txt b/requirements.txt
index 975925f..8933318 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ python-dateutil==2.8.1; python_version >= '2.7' and python_version not in '3.0,
 pytz==2020.1
 s3transfer==0.3.3
 six==1.15.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-urllib3==1.25.10; python_version != '3.4'
+urllib3==1.26.17; python_version != '3.4'