diff --git a/days/017-020-flask-call-apis/code/requirements.txt b/days/017-020-flask-call-apis/code/requirements.txt
index abf42d56..502f0ca0 100644
--- a/days/017-020-flask-call-apis/code/requirements.txt
+++ b/days/017-020-flask-call-apis/code/requirements.txt
@@ -8,5 +8,5 @@ Jinja2==2.10
 MarkupSafe==1.0
 python-dotenv==0.9.1
 requests==2.19.1
-urllib3==1.23
+urllib3==2.5.0
 Werkzeug==0.14.1