diff --git a/temporal/api/cloud/cloudservice/v1/service.proto b/temporal/api/cloud/cloudservice/v1/service.proto
index 7af26e0..0539141 100644
--- a/temporal/api/cloud/cloudservice/v1/service.proto
+++ b/temporal/api/cloud/cloudservice/v1/service.proto
@@ -11,6 +11,7 @@ option csharp_namespace = "Temporalio.Api.Cloud.CloudService.V1";
 
 import "temporal/api/cloud/cloudservice/v1/request_response.proto";
 import "google/api/annotations.proto";
+import "google/api/visibility.proto";
 import "protoc-gen-openapiv2/options/annotations.proto";
 
 option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {
@@ -48,7 +49,7 @@ option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {
         {name: "Connectivity Rules"; description: "Manage network connectivity rules"},
         {name: "Regions"; description: "Query available regions"},
         {name: "Account"; description: "Manage account settings and usage"},
-        {name: "Custom Roles"; description: "Manage custom roles and their permissions"},
+        {name: "Custom Roles"; description: "Manage custom roles and their permissions (Pre-Release: To get early access contact Temporal Cloud support)"},
         {name: "Operations"; description: "Query async operation status"}
     ];
 };
@@ -1164,6 +1165,7 @@ service CloudService {
         option (google.api.http) = {
             get: "/cloud/custom-roles"
         };
+        option (google.api.method_visibility).restriction = "INTERNAL"; 
         option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
             tags: ["Custom Roles"];
             summary: "List custom roles";
@@ -1180,6 +1182,7 @@ service CloudService {
         option (google.api.http) = {
             get: "/cloud/custom-roles/{role_id}"
         };
+        option (google.api.method_visibility).restriction = "INTERNAL"; 
         option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
             tags: ["Custom Roles"];
             summary: "Get custom role by ID";
@@ -1197,6 +1200,7 @@ service CloudService {
             post: "/cloud/custom-roles"
             body: "*"
         };
+        option (google.api.method_visibility).restriction = "INTERNAL"; 
         option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
             tags: ["Custom Roles"];
             summary: "Create a custom role";
@@ -1214,6 +1218,7 @@ service CloudService {
             post: "/cloud/custom-roles/{role_id}"
             body: "*"
         };
+        option (google.api.method_visibility).restriction = "INTERNAL"; 
         option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
             tags: ["Custom Roles"];
             summary: "Update a custom role";
@@ -1230,6 +1235,7 @@ service CloudService {
         option (google.api.http) = {
             delete: "/cloud/custom-roles/{role_id}"
         };
+        option (google.api.method_visibility).restriction = "INTERNAL"; 
         option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
             tags: ["Custom Roles"];
             summary: "Delete a custom role";