diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 84c1e8200c7f..e05a5671c1a7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -781,7 +781,7 @@
   "google-cloud-speech-v1+FILLER": "0.0.0",
   "google-cloud-speech-v1p1beta1": "0.27.1",
   "google-cloud-speech-v1p1beta1+FILLER": "0.0.0",
-  "google-cloud-speech-v2": "1.4.1",
+  "google-cloud-speech-v2": "1.5.0",
   "google-cloud-speech-v2+FILLER": "0.0.0",
   "google-cloud-storage": "1.58.0",
   "google-cloud-storage+FILLER": "0.0.0",
diff --git a/google-cloud-speech-v2/CHANGELOG.md b/google-cloud-speech-v2/CHANGELOG.md
index b94e6ac72275..ab7761a25d79 100644
--- a/google-cloud-speech-v2/CHANGELOG.md
+++ b/google-cloud-speech-v2/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### 1.5.0 (2026-01-13)
+
+#### Features
+
+* add custom prompt config in the request and return prompt in the response ([#32325](https://github.com/googleapis/google-cloud-ruby/issues/32325)) 
+* update min_speaker_count and max_speaker_count to be optional 
+
 ### 1.4.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-cloud-speech-v2/lib/google/cloud/speech/v2/version.rb b/google-cloud-speech-v2/lib/google/cloud/speech/v2/version.rb
index 5aa8000f7524..12e805047240 100644
--- a/google-cloud-speech-v2/lib/google/cloud/speech/v2/version.rb
+++ b/google-cloud-speech-v2/lib/google/cloud/speech/v2/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Speech
       module V2
-        VERSION = "1.4.1"
+        VERSION = "1.5.0"
       end
     end
   end
diff --git a/google-cloud-speech-v2/snippets/snippet_metadata_google.cloud.speech.v2.json b/google-cloud-speech-v2/snippets/snippet_metadata_google.cloud.speech.v2.json
index 6a04ec6c3c56..7e5d77b91122 100644
--- a/google-cloud-speech-v2/snippets/snippet_metadata_google.cloud.speech.v2.json
+++ b/google-cloud-speech-v2/snippets/snippet_metadata_google.cloud.speech.v2.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-speech-v2",
-    "version": "1.4.1",
+    "version": "1.5.0",
     "language": "RUBY",
     "apis": [
       {