diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index faefb52e7358..21902d4e243b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -53,7 +53,7 @@
   "google-cloud-agent_registry-v1+FILLER": "0.0.0",
   "google-cloud-ai_platform": "2.4.1",
   "google-cloud-ai_platform+FILLER": "0.0.0",
-  "google-cloud-ai_platform-v1": "1.47.1",
+  "google-cloud-ai_platform-v1": "1.48.0",
   "google-cloud-ai_platform-v1+FILLER": "0.0.0",
   "google-cloud-alloy_db": "2.3.1",
   "google-cloud-alloy_db+FILLER": "0.0.0",
diff --git a/google-cloud-ai_platform-v1/CHANGELOG.md b/google-cloud-ai_platform-v1/CHANGELOG.md
index 342929f7b6ec..5066a85a82fc 100644
--- a/google-cloud-ai_platform-v1/CHANGELOG.md
+++ b/google-cloud-ai_platform-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 1.48.0 (2026-08-10)
+
+#### Features
+
+* add Tool.ExaAiSearch to Vertex AI v1 ([#36201](https://github.com/googleapis/google-cloud-ruby/issues/36201)) 
+
 ### 1.47.1 (2026-08-05)
 
 #### Bug Fixes
diff --git a/google-cloud-ai_platform-v1/lib/google/cloud/ai_platform/v1/version.rb b/google-cloud-ai_platform-v1/lib/google/cloud/ai_platform/v1/version.rb
index 4cd6dac6b482..6287aa72989e 100644
--- a/google-cloud-ai_platform-v1/lib/google/cloud/ai_platform/v1/version.rb
+++ b/google-cloud-ai_platform-v1/lib/google/cloud/ai_platform/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module AIPlatform
       module V1
-        VERSION = "1.47.1"
+        VERSION = "1.48.0"
       end
     end
   end
diff --git a/google-cloud-ai_platform-v1/snippets/snippet_metadata_google.cloud.aiplatform.v1.json b/google-cloud-ai_platform-v1/snippets/snippet_metadata_google.cloud.aiplatform.v1.json
index 2b495bd5f40a..142d48bea5b1 100644
--- a/google-cloud-ai_platform-v1/snippets/snippet_metadata_google.cloud.aiplatform.v1.json
+++ b/google-cloud-ai_platform-v1/snippets/snippet_metadata_google.cloud.aiplatform.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-ai_platform-v1",
-    "version": "1.47.1",
+    "version": "1.48.0",
     "language": "RUBY",
     "apis": [
       {
diff --git a/librarian.yaml b/librarian.yaml
index a31c5d195ffa..2dcdea852cb0 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -226,6 +226,7 @@ libraries:
             ruby-cloud-gem-namespace: Google::Cloud::AIPlatform::V1
             ruby-cloud-service-override: AiPlatform=AIPlatform
     skip_generate: true
+    version: 1.48.0
   - name: google-cloud-alloy_db
     apis:
       - path: google/cloud/alloydb/v1