diff --git a/requirements.txt b/requirements.txt
index 6612f7f..2916eb9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,5 +17,5 @@ pylibmc==1.3.0
 redis==2.10.1
 requests==2.3.0
 scipy==0.14.0
-urllib3==1.9
+urllib3==1.26.5
 wsgiref==0.1.2