diff --git a/lower-constraints.txt b/lower-constraints.txt
index 7dffb8e..34d296b 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -76,7 +76,7 @@ testresources==2.0.0
 testtools==2.2.0
 traceback2==1.4.0
 unittest2==1.1.0
-urllib3==1.22
+urllib3==2.7.0
 voluptuous==0.11.1
 waitress==1.1.0
 WebOb==1.7.1