diff --git a/api_names_out.yaml b/api_names_out.yaml
index aaf40ecdaac..fd538c9f316 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -402511,6 +402511,7 @@
 "/youtubereporting:v1/GdataBlobstore2Info": gdata_blobstore2_info
 "/youtubereporting:v1/GdataBlobstore2Info/blobGeneration": blob_generation
 "/youtubereporting:v1/GdataBlobstore2Info/blobId": blob_id
+"/youtubereporting:v1/GdataBlobstore2Info/downloadExternalReadToken": download_external_read_token
 "/youtubereporting:v1/GdataBlobstore2Info/downloadReadHandle": download_read_handle
 "/youtubereporting:v1/GdataBlobstore2Info/readToken": read_token
 "/youtubereporting:v1/GdataBlobstore2Info/uploadMetadataContainer": upload_metadata_container
diff --git a/generated/google-apis-youtubereporting_v1/CHANGELOG.md b/generated/google-apis-youtubereporting_v1/CHANGELOG.md
index d9ef447e8c1..d7358d2a6d8 100644
--- a/generated/google-apis-youtubereporting_v1/CHANGELOG.md
+++ b/generated/google-apis-youtubereporting_v1/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Release history for google-apis-youtubereporting_v1
 
+### v0.19.0 (2025-11-30)
+
+* Regenerated from discovery document revision 20251123
+* Regenerated using generator version 0.18.0
+
 ### v0.18.0 (2025-05-04)
 
 * Regenerated using generator version 0.17.0
diff --git a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/classes.rb b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/classes.rb
index bbd8e86df9d..a3be0dfe3f3 100644
--- a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/classes.rb
+++ b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/classes.rb
@@ -52,6 +52,12 @@ class GdataBlobstore2Info
         # @return [String]
         attr_accessor :blob_id
       
+        # gdata
+        # Corresponds to the JSON property `downloadExternalReadToken`
+        # NOTE: Values are automatically base64 encoded/decoded in the client library.
+        # @return [String]
+        attr_accessor :download_external_read_token
+      
         # gdata
         # Corresponds to the JSON property `downloadReadHandle`
         # NOTE: Values are automatically base64 encoded/decoded in the client library.
@@ -77,6 +83,7 @@ def initialize(**args)
         def update!(**args)
           @blob_generation = args[:blob_generation] if args.key?(:blob_generation)
           @blob_id = args[:blob_id] if args.key?(:blob_id)
+          @download_external_read_token = args[:download_external_read_token] if args.key?(:download_external_read_token)
           @download_read_handle = args[:download_read_handle] if args.key?(:download_read_handle)
           @read_token = args[:read_token] if args.key?(:read_token)
           @upload_metadata_container = args[:upload_metadata_container] if args.key?(:upload_metadata_container)
diff --git a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/gem_version.rb b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/gem_version.rb
index 59138adc788..572be187b34 100644
--- a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/gem_version.rb
+++ b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module YoutubereportingV1
       # Version of the google-apis-youtubereporting_v1 gem
-      GEM_VERSION = "0.18.0"
+      GEM_VERSION = "0.19.0"
 
       # Version of the code generator used to generate this client
-      GENERATOR_VERSION = "0.17.0"
+      GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20230704"
+      REVISION = "20251123"
     end
   end
 end
diff --git a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/representations.rb b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/representations.rb
index 31b836b3792..153688d877b 100644
--- a/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/representations.rb
+++ b/generated/google-apis-youtubereporting_v1/lib/google/apis/youtubereporting_v1/representations.rb
@@ -141,6 +141,7 @@ class GdataBlobstore2Info
         class Representation < Google::Apis::Core::JsonRepresentation
           property :blob_generation, :numeric_string => true, as: 'blobGeneration'
           property :blob_id, as: 'blobId'
+          property :download_external_read_token, :base64 => true, as: 'downloadExternalReadToken'
           property :download_read_handle, :base64 => true, as: 'downloadReadHandle'
           property :read_token, as: 'readToken'
           property :upload_metadata_container, :base64 => true, as: 'uploadMetadataContainer'