diff --git a/requirements.txt b/requirements.txt
index 9be2488..6cd120e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@ six==1.10.0
 tensorflow==1.0.0
 tornado==4.5.1
 traitlets==4.3.2
-urllib3==1.21.1
+urllib3==1.26.5
 wcwidth==0.1.7
\ No newline at end of file