diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6ead768df4a..202c44bbf23 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1562,6 +1562,7 @@ k8s.io/apiserver/pkg/admission/plugin/webhook/namespace
 k8s.io/apiserver/pkg/admission/plugin/webhook/object
 k8s.io/apiserver/pkg/admission/plugin/webhook/request
 k8s.io/apiserver/pkg/admission/plugin/webhook/rules
+k8s.io/apiserver/pkg/admission/plugin/webhook/testcerts
 k8s.io/apiserver/pkg/admission/plugin/webhook/validating
 k8s.io/apiserver/pkg/admission/testing
 k8s.io/apiserver/pkg/apis/apiserver