diff --git a/requirements.txt b/requirements.txt
index 57cd253..7a6a184 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,4 +23,4 @@ scipy==1.0.0
 six==1.11.0
 sklearn==0.0
 tornado==4.5.2
-urllib3==1.22
+urllib3==1.26.5