diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 1dc17f27feb0..0403f31cc8cc 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -675,7 +675,7 @@
   "google-cloud-profiler-v2+FILLER": "0.0.0",
   "google-cloud-pubsub": "3.2.1",
   "google-cloud-pubsub+FILLER": "0.0.0",
-  "google-cloud-pubsub-v1": "1.14.2",
+  "google-cloud-pubsub-v1": "1.15.0",
   "google-cloud-pubsub-v1+FILLER": "0.0.0",
   "google-cloud-rapid_migration_assessment": "2.1.0",
   "google-cloud-rapid_migration_assessment+FILLER": "0.0.0",
diff --git a/google-cloud-pubsub-v1/CHANGELOG.md b/google-cloud-pubsub-v1/CHANGELOG.md
index c9ee931850aa..4b665a655445 100644
--- a/google-cloud-pubsub-v1/CHANGELOG.md
+++ b/google-cloud-pubsub-v1/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Release History
 
+### 1.15.0 (2026-04-18)
+
+#### Features
+
+* Add AIInference MessageTransform type 
+* Add BigtableConfig type 
+* add custom prompt config in the request and return prompt in the response 
+* update min_speaker_count and max_speaker_count to be optional 
+* Update minimum Ruby to v3.2 and required dependencies for Ruby v4.0 
+* upgrade protobuf from v25.7 to v31.0 
+#### Bug Fixes
+
+* increase streaming pull timeout ([#32300](https://github.com/googleapis/google-cloud-ruby/issues/32300)) 
+#### Documentation
+
+* A comment for field `analytics_hub_subscription_info` in message `.google.pubsub.v1.Subscription` is updated 
+* A comment for field `subscription` in message `.google.pubsub.v1.CreateSnapshotRequest` is updated 
+* A comment for field `topic` in message `.google.pubsub.v1.Subscription` is updated 
+* add tags documentation links to Pub/Sub resource tags fields 
+* Clarify that min_speaker_count and max_speaker_count in SpeakerDiarizationConfig are not currently used 
+* Update guidance on how to enable speaker diarization; to enable, set the diarization_config field to an empty SpeakerDiarizationConfig message 
+
 ### 1.14.2 (2025-12-17)
 
 #### Documentation
diff --git a/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb b/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
index 7f7f32fd9e2b..8f78b882c4c8 100644
--- a/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
+++ b/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module PubSub
       module V1
-        VERSION = "1.14.2"
+        VERSION = "1.15.0"
       end
     end
   end
diff --git a/google-cloud-pubsub-v1/snippets/snippet_metadata_google.pubsub.v1.json b/google-cloud-pubsub-v1/snippets/snippet_metadata_google.pubsub.v1.json
index f51c037b4826..428d32eb854e 100644
--- a/google-cloud-pubsub-v1/snippets/snippet_metadata_google.pubsub.v1.json
+++ b/google-cloud-pubsub-v1/snippets/snippet_metadata_google.pubsub.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-pubsub-v1",
-    "version": "1.14.2",
+    "version": "1.15.0",
     "language": "RUBY",
     "apis": [
       {