diff --git a/flask-connexion-rest-part-3/requirements.txt b/flask-connexion-rest-part-3/requirements.txt
index c9efff7..913e271 100644
--- a/flask-connexion-rest-part-3/requirements.txt
+++ b/flask-connexion-rest-part-3/requirements.txt
@@ -21,5 +21,5 @@ requests==2.21.0
 six==1.12.0
 SQLAlchemy==1.2.17
 swagger-ui-bundle==0.0.3
-urllib3==1.24.1
+urllib3==1.26.5
 Werkzeug==0.14.1