diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 84c1e8200c7f..9516f45dc326 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -771,7 +771,7 @@
   "google-cloud-shell-v1+FILLER": "0.0.0",
   "google-cloud-spanner-admin-database-v1": "1.11.1",
   "google-cloud-spanner-admin-database-v1+FILLER": "0.0.0",
-  "google-cloud-spanner-admin-instance-v1": "2.4.0",
+  "google-cloud-spanner-admin-instance-v1": "2.5.0",
   "google-cloud-spanner-admin-instance-v1+FILLER": "0.0.0",
   "google-cloud-spanner-v1": "1.12.1",
   "google-cloud-spanner-v1+FILLER": "0.0.0",
diff --git a/google-cloud-spanner-admin-instance-v1/CHANGELOG.md b/google-cloud-spanner-admin-instance-v1/CHANGELOG.md
index c5d8b3e87bcd..1a638716fdd9 100644
--- a/google-cloud-spanner-admin-instance-v1/CHANGELOG.md
+++ b/google-cloud-spanner-admin-instance-v1/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Release History
 
+### 2.5.0 (2026-01-13)
+
+#### Features
+
+* Exposing total CPU related fields in AutoscalingConfig ([#32299](https://github.com/googleapis/google-cloud-ruby/issues/32299)) 
+#### Documentation
+
+* Update high_priority_cpu_utilization_percent in AutoscalingConfig to be Optional and clarify its behavior when not specified 
+
 ### 2.4.0 (2025-11-03)
 
 #### Features
diff --git a/google-cloud-spanner-admin-instance-v1/lib/google/cloud/spanner/admin/instance/v1/version.rb b/google-cloud-spanner-admin-instance-v1/lib/google/cloud/spanner/admin/instance/v1/version.rb
index 403084b52728..35d79d882b1a 100644
--- a/google-cloud-spanner-admin-instance-v1/lib/google/cloud/spanner/admin/instance/v1/version.rb
+++ b/google-cloud-spanner-admin-instance-v1/lib/google/cloud/spanner/admin/instance/v1/version.rb
@@ -23,7 +23,7 @@ module Spanner
       module Admin
         module Instance
           module V1
-            VERSION = "2.4.0"
+            VERSION = "2.5.0"
           end
         end
       end
diff --git a/google-cloud-spanner-admin-instance-v1/snippets/snippet_metadata_google.spanner.admin.instance.v1.json b/google-cloud-spanner-admin-instance-v1/snippets/snippet_metadata_google.spanner.admin.instance.v1.json
index c36bad3f0489..6bce0b5018d6 100644
--- a/google-cloud-spanner-admin-instance-v1/snippets/snippet_metadata_google.spanner.admin.instance.v1.json
+++ b/google-cloud-spanner-admin-instance-v1/snippets/snippet_metadata_google.spanner.admin.instance.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-spanner-admin-instance-v1",
-    "version": "2.4.0",
+    "version": "2.5.0",
     "language": "RUBY",
     "apis": [
       {