diff --git a/requirements.txt b/requirements.txt
index c45e0d7..00ead54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ simplegeneric==0.8.1
 six==1.10.0
 tornado==4.2.1
 traitlets==4.0.0
-urllib3==1.24.2
+urllib3==1.26.5
 vprof==0.30
 Werkzeug==0.15.3
 whichcraft==0.4.0