diff --git a/plugins/connectrpc/python/v0.4.2/requirements.txt b/plugins/connectrpc/python/v0.4.2/requirements.txt
index 50ec3f13f..0a2ac2bb2 100644
--- a/plugins/connectrpc/python/v0.4.2/requirements.txt
+++ b/plugins/connectrpc/python/v0.4.2/requirements.txt
@@ -10,5 +10,5 @@ propcache==0.3.2
 protobuf==6.31.1
 protogen==0.3.1
 typing_extensions==4.14.1
-urllib3==2.5.0
+urllib3==2.6.3
 yarl==1.20.1