diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 114efc49936a..ac2841ea80b9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -21,7 +21,7 @@
   "google-analytics-data-v1beta+FILLER": "0.0.0",
   "google-apps-chat": "1.3.1",
   "google-apps-chat+FILLER": "0.0.0",
-  "google-apps-chat-v1": "0.29.0",
+  "google-apps-chat-v1": "0.30.0",
   "google-apps-chat-v1+FILLER": "0.0.0",
   "google-apps-events-subscriptions": "1.3.1",
   "google-apps-events-subscriptions+FILLER": "0.0.0",
diff --git a/google-apps-chat-v1/CHANGELOG.md b/google-apps-chat-v1/CHANGELOG.md
index eaef9c7550fc..6722af1847c1 100644
--- a/google-apps-chat-v1/CHANGELOG.md
+++ b/google-apps-chat-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.30.0 (2026-08-13)
+
+#### Features
+
+* update API sources and regenerate ([#36241](https://github.com/googleapis/google-cloud-ruby/issues/36241)) 
+
 ### 0.29.0 (2026-08-10)
 
 #### Features
diff --git a/google-apps-chat-v1/lib/google/apps/chat/v1/version.rb b/google-apps-chat-v1/lib/google/apps/chat/v1/version.rb
index 126d08b2d39a..503f4f63236b 100644
--- a/google-apps-chat-v1/lib/google/apps/chat/v1/version.rb
+++ b/google-apps-chat-v1/lib/google/apps/chat/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Apps
     module Chat
       module V1
-        VERSION = "0.29.0"
+        VERSION = "0.30.0"
       end
     end
   end
diff --git a/google-apps-chat-v1/snippets/snippet_metadata_google.chat.v1.json b/google-apps-chat-v1/snippets/snippet_metadata_google.chat.v1.json
index a65aee2190c7..bdcce51fd1d8 100644
--- a/google-apps-chat-v1/snippets/snippet_metadata_google.chat.v1.json
+++ b/google-apps-chat-v1/snippets/snippet_metadata_google.chat.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-apps-chat-v1",
-    "version": "0.29.0",
+    "version": "0.30.0",
     "language": "RUBY",
     "apis": [
       {
diff --git a/librarian.yaml b/librarian.yaml
index 51d0843f0c77..c5f8274eccf8 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -104,7 +104,7 @@ libraries:
       wrapper_of:
         - v1:0.0
   - name: google-apps-chat-v1
-    version: 0.29.0
+    version: 0.30.0
     apis:
       - path: google/chat/v1
         ruby: