diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7d402e..d41f95d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+### Version: 0.5.2
+#### Date: Jun-02-2026
+
+- Document required NuGet packages (`contentstack.csharp`, `contentstack.utils`, `Newtonsoft.Json`, `Markdig`) in README and as an `<auto-generated>` comment header in every generated `.cs` file.
+
 ### Version: 0.5.1
 #### Date: Jan-12-2026
 
diff --git a/README.md b/README.md
index 19aaaf5..dc68dc6 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,26 @@ To install Contenstack model generator run following command:
 dotnet tool install  -g contentstack.model.generator
 ```
 
+## Required NuGet Packages
+
+The files generated by this tool depend on the following NuGet packages. You must install them in your **application project** (not the generator itself) before the generated code will compile:
+
+```bash
+dotnet add package contentstack.csharp
+dotnet add package contentstack.utils
+dotnet add package Newtonsoft.Json
+dotnet add package Markdig
+```
+
+| Package | Provides |
+| --- | --- |
+| `contentstack.csharp` | `Contentstack.Core` and `Contentstack.Core.Models` namespaces |
+| `contentstack.utils` | `Contentstack.Utils.Models` and `Contentstack.Utils.Interfaces` namespaces |
+| `Newtonsoft.Json` | `Newtonsoft.Json`, `Newtonsoft.Json.Converters`, `Newtonsoft.Json.Linq` namespaces |
+| `Markdig` | Markdown-to-HTML conversion used in `ContentstackStringExtension` |
+
+> **Note:** Every generated `.cs` file includes an `<auto-generated>` comment at the top listing these packages as a reminder.
+
 ## How to use
 Once you install ```contentstack.model.generator```  run ```--help``` to view available commands.
 
diff --git a/contentstack.model.generator/ModelGenerator.cs b/contentstack.model.generator/ModelGenerator.cs
index 3550594..cd5d729 100644
--- a/contentstack.model.generator/ModelGenerator.cs
+++ b/contentstack.model.generator/ModelGenerator.cs
@@ -68,10 +68,18 @@ public class ModelGenerator
         [Option(CommandOptionType.NoValue, ShortName = "N", LongName = "is-nullable", Description = "The features that protect against throwing a System.NullReferenceException can be disruptive when turned on.")]
         public bool IsNullable { get; }
 
-        [VersionOption("0.5.1")]
+        [VersionOption("0.5.2")]
         public bool Version { get; }
 
-        private readonly string _templateStart = @"using System;
+        private readonly string _templateStart = @"// <auto-generated>
+//   Generated by contentstack.model.generator
+//   This file requires the following NuGet packages to be installed in your project:
+//     dotnet add package contentstack.csharp
+//     dotnet add package contentstack.utils
+//     dotnet add package Newtonsoft.Json
+//     dotnet add package Markdig
+// </auto-generated>
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -400,7 +408,15 @@ private void CreateEmbeddedObjectClass(string NameSpace, DirectoryInfo directory
                 {
                     var sb = new StringBuilder();
                     // Adding using at start of file
-                    var usingDirectives = @"using System;
+                    var usingDirectives = @"// <auto-generated>
+//   Generated by contentstack.model.generator
+//   This file requires the following NuGet packages to be installed in your project:
+//     dotnet add package contentstack.csharp
+//     dotnet add package contentstack.utils
+//     dotnet add package Newtonsoft.Json
+//     dotnet add package Markdig
+// </auto-generated>
+using System;
 using Newtonsoft.Json;
 using Contentstack.Core;
 using Newtonsoft.Json.Linq;
@@ -1107,8 +1123,8 @@ private void CreateStringHelperClass(string nameSpace, DirectoryInfo directoryIn
                 using (var sw = file.CreateText())
                 {
                     var sb = new StringBuilder();
-                    sb.AppendLine("using Markdig;");
                     sb.AppendLine(_templateStart);
+                    sb.AppendLine("using Markdig;");
                     sb.AppendLine("using System.ComponentModel;");
                     sb.AppendLine("using System.Reflection;");
 
diff --git a/contentstack.model.generator/contentstack.model.generator.csproj b/contentstack.model.generator/contentstack.model.generator.csproj
index 7112a5c..be7645b 100644
--- a/contentstack.model.generator/contentstack.model.generator.csproj
+++ b/contentstack.model.generator/contentstack.model.generator.csproj
@@ -13,15 +13,15 @@
     <PackAsTool>true</PackAsTool>
     <PackageOutputPath>./nupkg</PackageOutputPath>
     <PackOnBuild>true</PackOnBuild>
-    <PackageVersion>0.5.1</PackageVersion>
+    <PackageVersion>0.5.2</PackageVersion>
     <Authors>Contentstack</Authors>
-    <ReleaseVersion>0.5.1</ReleaseVersion>
+    <ReleaseVersion>0.5.2</ReleaseVersion>
     <RootNamespace>Contentstack.Model.Generator</RootNamespace>
      <PackageLicenseFile>LICENSE.txt</PackageLicenseFile>
-    <PackageReleaseNotes>Improved Error messages</PackageReleaseNotes>
+    <PackageReleaseNotes>Document required NuGet packages in README and generated file headers</PackageReleaseNotes>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
   <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
-  <PackageTags>v0.5.1</PackageTags>
+  <PackageTags>v0.5.2</PackageTags>
   <Configurations>Release;Debug</Configurations>
   </PropertyGroup>