diff --git a/api_names_out.yaml b/api_names_out.yaml
index 9432dbc325b..87619a0f48e 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -51508,6 +51508,8 @@
 "/backupdr:v1/ListDataSourceReferencesResponse/dataSourceReferences": data_source_references
 "/backupdr:v1/ListDataSourceReferencesResponse/dataSourceReferences/data_source_reference": data_source_reference
 "/backupdr:v1/ListDataSourceReferencesResponse/nextPageToken": next_page_token
+"/backupdr:v1/ListDataSourceReferencesResponse/unreachable": unreachable
+"/backupdr:v1/ListDataSourceReferencesResponse/unreachable/unreachable": unreachable
 "/backupdr:v1/ListDataSourcesResponse": list_data_sources_response
 "/backupdr:v1/ListDataSourcesResponse/dataSources": data_sources
 "/backupdr:v1/ListDataSourcesResponse/dataSources/data_source": data_source
diff --git a/generated/google-apis-backupdr_v1/CHANGELOG.md b/generated/google-apis-backupdr_v1/CHANGELOG.md
index ff2e86927c1..2451aecdae2 100644
--- a/generated/google-apis-backupdr_v1/CHANGELOG.md
+++ b/generated/google-apis-backupdr_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-backupdr_v1
 
+### v0.45.0 (2025-11-09)
+
+* Regenerated from discovery document revision 20251029
+
 ### v0.44.0 (2025-11-02)
 
 * Regenerated from discovery document revision 20251022
diff --git a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
index 353e2f4bbcd..ea26184c8ac 100644
--- a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
+++ b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
@@ -3866,6 +3866,11 @@ class ListDataSourceReferencesResponse
         # @return [String]
         attr_accessor :next_page_token
       
+        # Locations that could not be reached.
+        # Corresponds to the JSON property `unreachable`
+        # @return [Array<String>]
+        attr_accessor :unreachable
+      
         def initialize(**args)
            update!(**args)
         end
@@ -3874,6 +3879,7 @@ def initialize(**args)
         def update!(**args)
           @data_source_references = args[:data_source_references] if args.key?(:data_source_references)
           @next_page_token = args[:next_page_token] if args.key?(:next_page_token)
+          @unreachable = args[:unreachable] if args.key?(:unreachable)
         end
       end
       
diff --git a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
index 681a8eb84d2..cfadc13b07e 100644
--- a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
+++ b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module BackupdrV1
       # Version of the google-apis-backupdr_v1 gem
-      GEM_VERSION = "0.44.0"
+      GEM_VERSION = "0.45.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20251022"
+      REVISION = "20251029"
     end
   end
 end
diff --git a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/representations.rb b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/representations.rb
index 9880abc8d81..f3e03751d58 100644
--- a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/representations.rb
+++ b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/representations.rb
@@ -1703,6 +1703,7 @@ class Representation < Google::Apis::Core::JsonRepresentation
           collection :data_source_references, as: 'dataSourceReferences', class: Google::Apis::BackupdrV1::DataSourceReference, decorator: Google::Apis::BackupdrV1::DataSourceReference::Representation
       
           property :next_page_token, as: 'nextPageToken'
+          collection :unreachable, as: 'unreachable'
         end
       end