diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 878f12e33425..77d310c528b3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -973,7 +973,7 @@
   "google-cloud-workstations-v1beta+FILLER": "0.0.0",
   "google-developers-developer_knowledge": "0.2.0",
   "google-developers-developer_knowledge+FILLER": "0.0.0",
-  "google-developers-developer_knowledge-v1": "0.2.0",
+  "google-developers-developer_knowledge-v1": "0.2.1",
   "google-developers-developer_knowledge-v1+FILLER": "0.0.0",
   "google-iam-client": "1.3.0",
   "google-iam-client+FILLER": "0.0.0",
diff --git a/google-developers-developer_knowledge-v1/CHANGELOG.md b/google-developers-developer_knowledge-v1/CHANGELOG.md
index 53429da85385..b0abe301d232 100644
--- a/google-developers-developer_knowledge-v1/CHANGELOG.md
+++ b/google-developers-developer_knowledge-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.2.1 (2026-07-20)
+
+#### Documentation
+
+* Update `DocumentView.DOCUMENT_VIEW_BASIC` comment to include `content_length_bytes` ([#34959](https://github.com/googleapis/google-cloud-ruby/issues/34959)) 
+
 ### 0.2.0 (2026-06-11)
 
 #### Features
diff --git a/google-developers-developer_knowledge-v1/lib/google/developers/developer_knowledge/v1/version.rb b/google-developers-developer_knowledge-v1/lib/google/developers/developer_knowledge/v1/version.rb
index 246f6ab62b92..b19c7467db83 100644
--- a/google-developers-developer_knowledge-v1/lib/google/developers/developer_knowledge/v1/version.rb
+++ b/google-developers-developer_knowledge-v1/lib/google/developers/developer_knowledge/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Developers
     module DeveloperKnowledge
       module V1
-        VERSION = "0.2.0"
+        VERSION = "0.2.1"
       end
     end
   end
diff --git a/google-developers-developer_knowledge-v1/snippets/snippet_metadata_google.developers.knowledge.v1.json b/google-developers-developer_knowledge-v1/snippets/snippet_metadata_google.developers.knowledge.v1.json
index 6125a6df342d..5be2b377e834 100644
--- a/google-developers-developer_knowledge-v1/snippets/snippet_metadata_google.developers.knowledge.v1.json
+++ b/google-developers-developer_knowledge-v1/snippets/snippet_metadata_google.developers.knowledge.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-developers-developer_knowledge-v1",
-    "version": "0.2.0",
+    "version": "0.2.1",
     "language": "RUBY",
     "apis": [
       {