diff --git a/requirements.txt b/requirements.txt
index c6ac543..1598b74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,6 +32,6 @@ simplegeneric==0.8.1
 six==1.11.0
 tensorflow==1.4.1
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.13