diff --git a/requirements.txt b/requirements.txt
index 202e23a..87f7e9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,5 +31,5 @@ six==1.11.0
 smart-open==1.5.4
 tensorflow==1.4.0
 tensorflow-tensorboard==0.4.0rc3
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.12.2