diff --git a/apis/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1.csproj b/apis/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1.csproj
index af3ae00a7502..554e42cf201a 100644
--- a/apis/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1.csproj
+++ b/apis/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1/Google.Cloud.AIPlatform.V1.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Version>3.18.0</Version>
+    <Version>3.19.0</Version>
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Recommended Google client library to access the Vertex AI API (v1), which allows you to train high-quality custom machine learning models with minimal machine learning expertise and effort.</Description>
diff --git a/apis/Google.Cloud.AIPlatform.V1/docs/history.md b/apis/Google.Cloud.AIPlatform.V1/docs/history.md
index ec37cd2ddac2..f25b511d68f4 100644
--- a/apis/Google.Cloud.AIPlatform.V1/docs/history.md
+++ b/apis/Google.Cloud.AIPlatform.V1/docs/history.md
@@ -1,5 +1,12 @@
 # Version history
 
+## Version 3.19.0, released 2025-02-18
+
+### New features
+
+- A new field `response_id` is added to message `.google.cloud.aiplatform.v1.GenerateContentResponse` ([commit 8888750](https://github.com/googleapis/google-cloud-dotnet/commit/88887505d7629bc810b57c255f0ed0133970d0a3))
+- A new field `create_time` is added to message `.google.cloud.aiplatform.v1.GenerateContentResponse` ([commit 8888750](https://github.com/googleapis/google-cloud-dotnet/commit/88887505d7629bc810b57c255f0ed0133970d0a3))
+
 ## Version 3.18.0, released 2025-02-10
 
 ### New features
diff --git a/generator-input/apis.json b/generator-input/apis.json
index ccd7dc09a68c..fa3e61936c2d 100644
--- a/generator-input/apis.json
+++ b/generator-input/apis.json
@@ -397,7 +397,7 @@
     },
     {
       "id": "Google.Cloud.AIPlatform.V1",
-      "version": "3.18.0",
+      "version": "3.19.0",
       "type": "grpc",
       "productName": "Vertex AI",
       "productUrl": "https://cloud.google.com/vertex-ai/docs",