diff --git a/requirements.txt b/requirements.txt
index d1dd2a6..c3a8bae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,6 +32,6 @@ service-identity==14.0.0
 six==1.11.0
 treq==22.1.0
 Twisted==23.10.0
-urllib3==2.5.0
+urllib3==2.6.3
 Werkzeug==3.0.6
 zope.interface==4.4.3