diff --git a/requirements.txt b/requirements.txt
index 708b6cb..305c8a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,5 +30,5 @@ six==1.10.0
 subprocess32==3.2.7
 tensorflow==1.2.1
 Theano==0.9.0
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12.2