diff --git a/requirements.txt b/requirements.txt
index 73c7109..169eb1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,4 +31,4 @@ scipy==1.0.0
 six==1.11.0
 tables==3.4.2
 tornado==4.5.3
-urllib3==1.22
+urllib3==1.26.5