diff --git a/requirements.txt b/requirements.txt
index 24b5556..25b0d19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,6 @@ pytz==2017.2
 requests==2.20
 six==1.11.0
 static3==0.7.0
-urllib3==1.24.3
+urllib3==2.6.0
 watson-developer-cloud==0.26.1
 whitenoise==3.3.0