diff --git a/requirements.txt b/requirements.txt
index d108cf1..19c5b14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@ scikit-learn==0.18.2
 scipy==0.19.1
 six==1.10.0
 sklearn==0.0
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12.1