diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2dfacff1e2c7..a56b42090d31 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -779,7 +779,7 @@
   "google-cloud-spanner-admin-database-v1+FILLER": "0.0.0",
   "google-cloud-spanner-admin-instance-v1": "2.5.0",
   "google-cloud-spanner-admin-instance-v1+FILLER": "0.0.0",
-  "google-cloud-spanner-v1": "1.14.0",
+  "google-cloud-spanner-v1": "1.15.0",
   "google-cloud-spanner-v1+FILLER": "0.0.0",
   "google-cloud-speech": "2.0.4",
   "google-cloud-speech+FILLER": "0.0.0",
diff --git a/google-cloud-spanner-v1/CHANGELOG.md b/google-cloud-spanner-v1/CHANGELOG.md
index e2f7bcc3789c..b5f30c705ef3 100644
--- a/google-cloud-spanner-v1/CHANGELOG.md
+++ b/google-cloud-spanner-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 1.15.0 (2026-03-05)
+
+#### Features
+
+* include cache updates and routing hint into BeginTransaction and Commit request/response respectively ([#32790](https://github.com/googleapis/google-cloud-ruby/issues/32790)) 
+
 ### 1.14.0 (2026-02-18)
 
 #### Features
diff --git a/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb b/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
index 92a3fafbd91e..32dc34865f7d 100644
--- a/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
+++ b/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Spanner
       module V1
-        VERSION = "1.14.0"
+        VERSION = "1.15.0"
       end
     end
   end
diff --git a/google-cloud-spanner-v1/snippets/snippet_metadata_google.spanner.v1.json b/google-cloud-spanner-v1/snippets/snippet_metadata_google.spanner.v1.json
index 27f3660f4c2d..2ddcb49ddf1d 100644
--- a/google-cloud-spanner-v1/snippets/snippet_metadata_google.spanner.v1.json
+++ b/google-cloud-spanner-v1/snippets/snippet_metadata_google.spanner.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-spanner-v1",
-    "version": "1.14.0",
+    "version": "1.15.0",
     "language": "RUBY",
     "apis": [
       {