diff --git a/implementations/python/requirements.txt b/implementations/python/requirements.txt
index ebd185d..2de0dca 100644
--- a/implementations/python/requirements.txt
+++ b/implementations/python/requirements.txt
@@ -7,5 +7,5 @@ itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
 requests==2.18.4
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1