diff --git a/samples/openapi3/client/petstore/python-experimental/requirements.txt b/samples/openapi3/client/petstore/python-experimental/requirements.txt
index c9227e58a1be..adc7f4eab2b6 100644
--- a/samples/openapi3/client/petstore/python-experimental/requirements.txt
+++ b/samples/openapi3/client/petstore/python-experimental/requirements.txt
@@ -2,4 +2,4 @@ certifi >= 14.05.14
 frozendict >= 2.0.3
 python_dateutil >= 2.5.3
 setuptools >= 21.0.0
-urllib3 >= 1.15.1
+urllib3>=2.6.3