diff --git a/generated/google/apis/youtube_v3.rb b/generated/google/apis/youtube_v3.rb
index c08028e7901..afbf00de92f 100644
--- a/generated/google/apis/youtube_v3.rb
+++ b/generated/google/apis/youtube_v3.rb
@@ -26,7 +26,7 @@ module Apis
     # @see https://developers.google.com/youtube/
     module YoutubeV3
       VERSION = 'V3'
-      REVISION = '20201127'
+      REVISION = '20201202'
 
       # Manage your YouTube account
       AUTH_YOUTUBE = 'https://www.googleapis.com/auth/youtube'
diff --git a/generated/google/apis/youtube_v3/classes.rb b/generated/google/apis/youtube_v3/classes.rb
index 7dd182f3089..d14854726e8 100644
--- a/generated/google/apis/youtube_v3/classes.rb
+++ b/generated/google/apis/youtube_v3/classes.rb
@@ -3154,8 +3154,8 @@ class ImageSettings
         # @return [Google::Apis::YoutubeV3::LocalizedProperty]
         attr_accessor :background_image_url
       
-        # This is used only in update requests; if it's set, we use this URL to generate
-        # all of the above banner URLs.
+        # This is generated when a ChannelBanner.Insert request has succeeded for the
+        # given channel.
         # Corresponds to the JSON property `bannerExternalUrl`
         # @return [String]
         attr_accessor :banner_external_url
diff --git a/generated/google/apis/youtube_v3/synth.metadata b/generated/google/apis/youtube_v3/synth.metadata
index f260b2a09a9..b6a63dc38ec 100644
--- a/generated/google/apis/youtube_v3/synth.metadata
+++ b/generated/google/apis/youtube_v3/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "5b324d8b8a02841fe1e4801f7c6c7181903e2865"
+        "sha": "a292c4573b5fbe486f03f257d61ef902d46d167b"
       }
     }
   ]