diff --git a/requirements.txt b/requirements.txt
index b2211e4..578c4f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,6 +28,6 @@ PyNaCl==1.5.0
 pytest==8.3.2
 requests==2.32.4
 rsa==4.9
-urllib3==2.6.0
+urllib3==2.6.3
 zope.event==5.0
 zope.interface==7.0.1