diff --git a/generated/google-apis-displayvideo_v4/CHANGELOG.md b/generated/google-apis-displayvideo_v4/CHANGELOG.md
index 2ceb3d01801..c8342334a06 100644
--- a/generated/google-apis-displayvideo_v4/CHANGELOG.md
+++ b/generated/google-apis-displayvideo_v4/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-displayvideo_v4
 
+### v0.28.0 (2026-09-20)
+
+* Regenerated from discovery document revision 20260915
+
 ### v0.27.0 (2026-09-06)
 
 * Regenerated from discovery document revision 20260902
diff --git a/generated/google-apis-displayvideo_v4/Gemfile.lock b/generated/google-apis-displayvideo_v4/Gemfile.lock
index 29cdedfaa71..e3bb8b8039e 100644
--- a/generated/google-apis-displayvideo_v4/Gemfile.lock
+++ b/generated/google-apis-displayvideo_v4/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    google-apis-displayvideo_v4 (0.27.0)
+    google-apis-displayvideo_v4 (0.28.0)
       google-apis-core (>= 0.15.0, < 2.a)
 
 GEM
@@ -106,7 +106,7 @@ CHECKSUMS
   faraday-follow_redirects (0.5.0) sha256=5cde93c894b30943a5d2b93c2fe9284216a6b756f7af406a1e55f211d97d10ad
   faraday-net_http (3.4.4) sha256=0e78af151747ed1b00f33e25973b4bc220d7f16c00c39676817c8b12331eb588
   google-apis-core (1.2.1) sha256=3739030455277e3be90f2d07321ad4d0bf0d6b1ed820b2d092916d6cdef05337
-  google-apis-displayvideo_v4 (0.27.0)
+  google-apis-displayvideo_v4 (0.28.0)
   google-cloud-env (2.3.1) sha256=0faac01eb27be78c2591d64433663b1a114f8f7af55a4f819755426cac9178e7
   google-logging-utils (0.2.0) sha256=675462b4ea5affa825a3442694ca2d75d0069455a1d0956127207498fca3df7b
   googleauth (1.17.1) sha256=0f7e6fc70e204cee1b2d71f1e1de2d3b349d432404197fe68ebf7fa23d0821b9
diff --git a/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/classes.rb b/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/classes.rb
index 3b8a7e8112f..54f47f4818c 100644
--- a/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/classes.rb
+++ b/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/classes.rb
@@ -15306,7 +15306,7 @@ class VideoPerformanceAd
         # @return [String]
         attr_accessor :display_url_breadcrumb2
       
-        # The domain of the display URL.
+        # Output only. The domain of the display URL.
         # Corresponds to the JSON property `domain`
         # @return [String]
         attr_accessor :domain
diff --git a/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/gem_version.rb b/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/gem_version.rb
index f0e9d0152c2..5459d89973f 100644
--- a/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/gem_version.rb
+++ b/generated/google-apis-displayvideo_v4/lib/google/apis/displayvideo_v4/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module DisplayvideoV4
       # Version of the google-apis-displayvideo_v4 gem
-      GEM_VERSION = "0.27.0"
+      GEM_VERSION = "0.28.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.19.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20260902"
+      REVISION = "20260915"
     end
   end
 end