diff --git a/googleapis/appengine/v1beta/domain.pb.go b/googleapis/appengine/v1beta/domain.pb.go
index 33cc29ce5..de020469d 100644
--- a/googleapis/appengine/v1beta/domain.pb.go
+++ b/googleapis/appengine/v1beta/domain.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.12.2
+// 	protoc        v3.21.9
 // source: google/appengine/v1beta/domain.proto
 
 package appengine
@@ -37,7 +37,7 @@ const (
 
 // A domain that a user has been authorized to administer. To authorize use
 // of a domain, verify ownership via
-// [Webmaster Central](https://www.google.com/webmasters/verification/home).
+// [Search Console](https://search.google.com/search-console/welcome).
 type AuthorizedDomain struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/regen.txt b/regen.txt
index a640d9784..2822dad82 100644
--- a/regen.txt
+++ b/regen.txt
@@ -1 +1 @@
-53d620a8e2434c972b3c2808efaa5402051d44c7
\ No newline at end of file
+4c3b682f501bb965d34c3d4fc3461edfccf962db
\ No newline at end of file