diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0a97ad..59ace53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [v0.1.9](https://github.com/contentstack/contentstack-management-dotnet/tree/v0.1.9)
+ - Feat
+   - Add support for apiVersion in bulk publish unpublish methods
+
 ## [v0.1.8](https://github.com/contentstack/contentstack-management-dotnet/tree/v0.1.8)
  - Fix
    - Strong named assemblies
diff --git a/Contentstack.Management.ASPNETCore/contentstack.management.aspnetcore.csproj b/Contentstack.Management.ASPNETCore/contentstack.management.aspnetcore.csproj
index 0a49369..a4880ce 100644
--- a/Contentstack.Management.ASPNETCore/contentstack.management.aspnetcore.csproj
+++ b/Contentstack.Management.ASPNETCore/contentstack.management.aspnetcore.csproj
@@ -28,6 +28,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
-    <PackageReference Include="contentstack.management.csharp" Version="0.1.3" />
+    <PackageReference Include="contentstack.management.csharp" Version="0.1.8" />
   </ItemGroup>
 </Project>
diff --git a/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj b/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
index 9d0ea6c..72384e1 100644
--- a/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
+++ b/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>net7.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
-    <ReleaseVersion>0.1.3</ReleaseVersion>
+    <ReleaseVersion>0.1.9</ReleaseVersion>
     
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>../CSManagementSDK.snk</AssemblyOriginatorKeyFile>
diff --git a/Contentstack.Management.Core.Unit.Tests/Mokes/MockHttpHandler.cs b/Contentstack.Management.Core.Unit.Tests/Mokes/MockHttpHandler.cs
index c69829d..3eda59f 100644
--- a/Contentstack.Management.Core.Unit.Tests/Mokes/MockHttpHandler.cs
+++ b/Contentstack.Management.Core.Unit.Tests/Mokes/MockHttpHandler.cs
@@ -9,12 +9,12 @@ namespace Contentstack.Management.Core.Unit.Tests.Mokes
 {
     public class MockRetryHadler : PipelineHandler
     {
-        public override Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false)
+        public override Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             return base.InvokeAsync<T>(executionContext, addAcceptMediaHeader);
         }
 
-        public override void InvokeSync(IExecutionContext executionContext)
+        public override void InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             base.InvokeSync(executionContext);
         }
@@ -32,7 +32,7 @@ public MockHttpHandler(ContentstackResponse response)
         public ILogManager LogManager { get; set; }
         public IPipelineHandler InnerHandler { get; set; }
 
-        public async Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false) 
+        public async Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null) 
         {
             executionContext.ResponseContext.httpResponse = _response;
 
@@ -43,7 +43,7 @@ public async Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool add
             return await Task.FromResult<T>((T)executionContext.ResponseContext.httpResponse);
         }
 
-        public void InvokeSync(IExecutionContext executionContext)
+        public void InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             executionContext.ResponseContext.httpResponse = _response;
             if (executionContext.RequestContext.service != null)
diff --git a/Contentstack.Management.Core.Unit.Tests/Mokes/MockService.cs b/Contentstack.Management.Core.Unit.Tests/Mokes/MockService.cs
index d30158c..dfaffde 100644
--- a/Contentstack.Management.Core.Unit.Tests/Mokes/MockService.cs
+++ b/Contentstack.Management.Core.Unit.Tests/Mokes/MockService.cs
@@ -174,7 +174,7 @@ public bool HasRequestBody()
             return HttpMethod == "POST" || HttpMethod == "PUT" || HttpMethod == "PATCH";
         }
 
-        public virtual IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false)
+        public virtual IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             var contentstackHttpRequest = new ContentstackHttpRequest(httpClient, _serializer);
             contentstackHttpRequest.Method = new HttpMethod(HttpMethod);
diff --git a/Contentstack.Management.Core/ContentstackClient.cs b/Contentstack.Management.Core/ContentstackClient.cs
index 2cb3749..9af4734 100644
--- a/Contentstack.Management.Core/ContentstackClient.cs
+++ b/Contentstack.Management.Core/ContentstackClient.cs
@@ -35,7 +35,7 @@ public class ContentstackClient : IContentstackClient
         private HttpClient _httpClient;
         private bool _disposed = false;
 
-        private string Version => "0.1.8";
+        private string Version => "0.1.9";
         private string xUserAgent => $"contentstack-management-dotnet/{Version}";
         #endregion
 
@@ -179,7 +179,7 @@ protected void BuildPipeline()
             }, LogManager);
         }
 
-        internal ContentstackResponse InvokeSync<TRequest>(TRequest request) where TRequest : IContentstackService
+        internal ContentstackResponse InvokeSync<TRequest>(TRequest request, string apiVersion = null) where TRequest : IContentstackService
         {
             ThrowIfDisposed();
 
@@ -191,10 +191,10 @@ internal ContentstackResponse InvokeSync<TRequest>(TRequest request) where TRequ
                 },
                 new ResponseContext());
 
-            return (ContentstackResponse)ContentstackPipeline.InvokeSync(context).httpResponse;
+            return (ContentstackResponse)ContentstackPipeline.InvokeSync(context, apiVersion).httpResponse;
         }
 
-        internal Task<TResponse> InvokeAsync<TRequest, TResponse>(TRequest request, bool addAcceptMediaHeader = false)
+        internal Task<TResponse> InvokeAsync<TRequest, TResponse>(TRequest request, bool addAcceptMediaHeader = false, string apiVersion = null)
             where TRequest : IContentstackService
             where TResponse : ContentstackResponse
         {
@@ -207,7 +207,7 @@ internal Task<TResponse> InvokeAsync<TRequest, TResponse>(TRequest request, bool
                   service = request
               },
               new ResponseContext());
-            return ContentstackPipeline.InvokeAsync<TResponse>(context, addAcceptMediaHeader);
+            return ContentstackPipeline.InvokeAsync<TResponse>(context, addAcceptMediaHeader, apiVersion);
         }
 
         #region Dispose methods
diff --git a/Contentstack.Management.Core/Models/Asset.cs b/Contentstack.Management.Core/Models/Asset.cs
index d47175d..ee0e55b 100644
--- a/Contentstack.Management.Core/Models/Asset.cs
+++ b/Contentstack.Management.Core/Models/Asset.cs
@@ -246,12 +246,12 @@ public virtual Task<ContentstackResponse> DeleteAsync()
         /// </code></pre>
         /// </example>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual ContentstackResponse Publish(PublishUnpublishDetails details)
+        public virtual ContentstackResponse Publish(PublishUnpublishDetails details, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
-            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/publish", "asset");
+            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/publish", "asset", apiVersion);
             return stack.client.InvokeSync(service);
         }
 
@@ -266,12 +266,12 @@ public virtual ContentstackResponse Publish(PublishUnpublishDetails details)
         /// </code></pre>
         /// </example>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails details)
+        public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails details, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
-            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/publish", "asset");
+            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/publish", "asset", apiVersion);
             return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service);
         }
 
@@ -286,12 +286,12 @@ public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails d
         /// </code></pre>
         /// </example>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details)
+        public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
-            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "asset");
+            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "asset", apiVersion);
             return stack.client.InvokeSync(service);
         }
 
@@ -306,12 +306,12 @@ public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details)
         /// </code></pre>
         /// </example>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual Task<ContentstackResponse> UnpublishAsync(PublishUnpublishDetails details)
+        public virtual Task<ContentstackResponse> UnpublishAsync(PublishUnpublishDetails details, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
-            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "asset");
+            var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "asset", apiVersion);
             return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service);
         }
 
diff --git a/Contentstack.Management.Core/Models/Entry.cs b/Contentstack.Management.Core/Models/Entry.cs
index 79ee71b..51d8976 100644
--- a/Contentstack.Management.Core/Models/Entry.cs
+++ b/Contentstack.Management.Core/Models/Entry.cs
@@ -414,7 +414,7 @@ public Task<ContentstackResponse> ReferencesAsync(ParameterCollection collection
         /// <param name="details">Publish/Unpublish details.</param>
         /// <param name="locale">Locale for entry to be publish</param>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual ContentstackResponse Publish(PublishUnpublishDetails details, string locale = null)
+        public virtual ContentstackResponse Publish(PublishUnpublishDetails details, string locale = null, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
@@ -435,13 +435,13 @@ public virtual ContentstackResponse Publish(PublishUnpublishDetails details, str
         /// <param name="details">Publish/Unpublish details.</param>
         /// <param name="locale">Locale for entry to be publish</param>
         /// <returns>The Task</returns>
-        public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails details, string locale = null)
+        public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails details, string locale = null, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
             var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/publish", "entry", locale);
-            return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service);
+            return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service, apiVersion: apiVersion);
         }
 
         /// <summary>
@@ -456,13 +456,13 @@ public virtual Task<ContentstackResponse> PublishAsync(PublishUnpublishDetails d
         /// <param name="details">Publish/Unpublish details.</param>
         /// <param name="locale">Locale for entry to be publish</param>
         /// <returns>The <see cref="ContentstackResponse"/>.</returns>
-        public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details, string locale = null)
+        public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details, string locale = null, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
             var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "entry", locale);
-            return stack.client.InvokeSync(service);
+            return stack.client.InvokeSync(service, apiVersion);
         }
 
         /// <summary>
@@ -477,13 +477,13 @@ public virtual ContentstackResponse Unpublish(PublishUnpublishDetails details, s
         /// <param name="details">Publish/Unpublish details.</param>
         /// <param name="locale">Locale for entry to be publish</param>
         /// <returns>The Task</returns>
-        public virtual Task<ContentstackResponse> UnpublishAsync(PublishUnpublishDetails details, string locale = null)
+        public virtual Task<ContentstackResponse> UnpublishAsync(PublishUnpublishDetails details, string locale = null, string apiVersion = null)
         {
             stack.ThrowIfNotLoggedIn();
             ThrowIfUidEmpty();
 
             var service = new PublishUnpublishService(stack.client.serializer, stack, details, $"{resourcePath}/unpublish", "entry", locale);
-            return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service);
+            return stack.client.InvokeAsync<PublishUnpublishService, ContentstackResponse>(service, apiVersion: apiVersion);
         }
 
         /// <summary>
diff --git a/Contentstack.Management.Core/Runtime/Pipeline/ContentstackRuntimePipeline.cs b/Contentstack.Management.Core/Runtime/Pipeline/ContentstackRuntimePipeline.cs
index f8f7173..c2e270f 100644
--- a/Contentstack.Management.Core/Runtime/Pipeline/ContentstackRuntimePipeline.cs
+++ b/Contentstack.Management.Core/Runtime/Pipeline/ContentstackRuntimePipeline.cs
@@ -83,18 +83,18 @@ public void AddHanlder(IPipelineHandler handler)
             _handler = currentHanler;
         }
 
-        public System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false)
+        public System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             ThrowIfDisposed();
 
-            return _handler.InvokeAsync<T>(executionContext, addAcceptMediaHeader);
+            return _handler.InvokeAsync<T>(executionContext, addAcceptMediaHeader, apiVersion);
         }
 
-        public IResponseContext InvokeSync(IExecutionContext executionContext)
+        public IResponseContext InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             ThrowIfDisposed();
 
-            _handler.InvokeSync(executionContext);
+            _handler.InvokeSync(executionContext, apiVersion);
             return executionContext.ResponseContext;
         }
 
diff --git a/Contentstack.Management.Core/Runtime/Pipeline/HttpHandler/HttpHandler.cs b/Contentstack.Management.Core/Runtime/Pipeline/HttpHandler/HttpHandler.cs
index e5f7c07..2db5949 100644
--- a/Contentstack.Management.Core/Runtime/Pipeline/HttpHandler/HttpHandler.cs
+++ b/Contentstack.Management.Core/Runtime/Pipeline/HttpHandler/HttpHandler.cs
@@ -23,14 +23,14 @@ internal HttpHandler(HttpClient httpClient)
         public ILogManager LogManager { get; set; }
         public IPipelineHandler InnerHandler { get; set; }
 
-        public async System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false)
+        public async System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             IHttpRequest httpRequest = null;
             try
             {
                 var requestContext = executionContext.RequestContext;
 
-                httpRequest = requestContext.service.CreateHttpRequest(_httpClient, requestContext.config, addAcceptMediaHeader);
+                httpRequest = requestContext.service.CreateHttpRequest(_httpClient, requestContext.config, addAcceptMediaHeader, apiVersion);
 
                 if (requestContext.service.HasRequestBody() && requestContext.service.Content != null)
                 {
@@ -57,14 +57,14 @@ public async System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext exe
             }
         }
 
-        public void InvokeSync(IExecutionContext executionContext)
+        public void InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             IHttpRequest httpRequest = null;
             try
             {
                 var requestContext = executionContext.RequestContext;
 
-                httpRequest = requestContext.service.CreateHttpRequest(_httpClient, requestContext.config);
+                httpRequest = requestContext.service.CreateHttpRequest(_httpClient, requestContext.config, apiVersion: apiVersion);
 
                 if (requestContext.service.HasRequestBody() && requestContext.service.Content != null)
                 {
diff --git a/Contentstack.Management.Core/Runtime/Pipeline/IPipelineHandler.cs b/Contentstack.Management.Core/Runtime/Pipeline/IPipelineHandler.cs
index c77f3e5..15466d7 100644
--- a/Contentstack.Management.Core/Runtime/Pipeline/IPipelineHandler.cs
+++ b/Contentstack.Management.Core/Runtime/Pipeline/IPipelineHandler.cs
@@ -25,13 +25,13 @@ public interface IPipelineHandler
         /// </summary>
         /// <param name="executionContext"></param>
 
-        void InvokeSync(IExecutionContext executionContext);
+        void InvokeSync(IExecutionContext executionContext, string apiVersion = null);
 
         /// <summary>
         /// 
         /// </summary>
         /// <param name="executionContext"></param>
         /// <returns></returns>
-        System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false);
+        System.Threading.Tasks.Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null);
     }
 }
diff --git a/Contentstack.Management.Core/Runtime/Pipeline/PipelineHandler.cs b/Contentstack.Management.Core/Runtime/Pipeline/PipelineHandler.cs
index 79aa949..9c40272 100644
--- a/Contentstack.Management.Core/Runtime/Pipeline/PipelineHandler.cs
+++ b/Contentstack.Management.Core/Runtime/Pipeline/PipelineHandler.cs
@@ -11,20 +11,20 @@ public class PipelineHandler : IPipelineHandler
 
         public IPipelineHandler InnerHandler { get; set; }
 
-        public virtual Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false)
+        public virtual Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             if (InnerHandler != null)
             {
-                return InnerHandler.InvokeAsync<T>(executionContext, addAcceptMediaHeader);
+                return InnerHandler.InvokeAsync<T>(executionContext, addAcceptMediaHeader, apiVersion);
             }
             throw new InvalidOperationException("Cannot invoke InnerHandler. InnerHandler is not set.");
         }
 
-        public virtual void InvokeSync(IExecutionContext executionContext)
+        public virtual void InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             if (this.InnerHandler != null)
             {
-                InnerHandler.InvokeSync(executionContext);
+                InnerHandler.InvokeSync(executionContext, apiVersion);
                 return;
             }
             throw new InvalidOperationException("Cannot invoke InnerHandler. InnerHandler is not set.");
diff --git a/Contentstack.Management.Core/Runtime/Pipeline/RetryHandler/RetryHandler.cs b/Contentstack.Management.Core/Runtime/Pipeline/RetryHandler/RetryHandler.cs
index 795a8ad..c585bf2 100644
--- a/Contentstack.Management.Core/Runtime/Pipeline/RetryHandler/RetryHandler.cs
+++ b/Contentstack.Management.Core/Runtime/Pipeline/RetryHandler/RetryHandler.cs
@@ -13,7 +13,7 @@ public RetryHandler(RetryPolicy retryPolicy)
         {
             this.RetryPolicy = retryPolicy;
         }
-        public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false)
+        public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             var requestContext = executionContext.RequestContext;
             var responseContext = executionContext.ResponseContext;
@@ -22,7 +22,7 @@ public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext,
             {
                 try
                 {
-                    var response =  await base.InvokeAsync<T>(executionContext, addAcceptMediaHeader);
+                    var response =  await base.InvokeAsync<T>(executionContext, addAcceptMediaHeader, apiVersion);
                     return response;
                 }
                 catch (Exception exception)
@@ -46,7 +46,7 @@ public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext,
             throw new ContentstackException("No response was return nor exception was thrown");
         }
 
-        public override void InvokeSync(IExecutionContext executionContext)
+        public override void InvokeSync(IExecutionContext executionContext, string apiVersion = null)
         {
             var requestContext = executionContext.RequestContext;
             bool shouldRetry = false;
@@ -54,7 +54,7 @@ public override void InvokeSync(IExecutionContext executionContext)
             {
                 try
                 {
-                    base.InvokeSync(executionContext);
+                    base.InvokeSync(executionContext, apiVersion);
                     return;
                 }
                 catch (Exception exception)
diff --git a/Contentstack.Management.Core/Services/ContentstackService.cs b/Contentstack.Management.Core/Services/ContentstackService.cs
index d683946..bcf2a34 100644
--- a/Contentstack.Management.Core/Services/ContentstackService.cs
+++ b/Contentstack.Management.Core/Services/ContentstackService.cs
@@ -151,7 +151,7 @@ public bool HasRequestBody()
             return HttpMethod == "POST" || HttpMethod == "PUT" || HttpMethod == "PATCH" || HttpMethod == "DELETE";
         }
 
-        public virtual IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false)
+        public virtual IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false, string apiVersion = null)
         {
             ThrowIfDisposed();
 
@@ -173,6 +173,10 @@ public virtual IHttpRequest CreateHttpRequest(HttpClient httpClient, Contentstac
                 Headers["authtoken"] = config.Authtoken;
             }
 
+            if (!string.IsNullOrEmpty(apiVersion))
+            {
+                Headers["api_version"] = apiVersion;
+            }
             var contentstackHttpRequest = new ContentstackHttpRequest(httpClient, _serializer);
             contentstackHttpRequest.Method = new HttpMethod(HttpMethod);
             contentstackHttpRequest.RequestUri = requestUri;
diff --git a/Contentstack.Management.Core/Services/IContentstackService.cs b/Contentstack.Management.Core/Services/IContentstackService.cs
index 5369b66..e213c1c 100644
--- a/Contentstack.Management.Core/Services/IContentstackService.cs
+++ b/Contentstack.Management.Core/Services/IContentstackService.cs
@@ -98,7 +98,7 @@ HttpContent Content
         /// </summary>
         string GetHeaderValue(string headerName);
 
-        IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false);
+        IHttpRequest CreateHttpRequest(HttpClient httpClient, ContentstackClientOptions config, bool addAcceptMediaHeader = false, string apiVersion = null);
         void OnResponse(IResponse httpResponse, ContentstackClientOptions config);
         bool HasRequestBody();
     }
diff --git a/Contentstack.Management.Core/contentstack.management.core.csproj b/Contentstack.Management.Core/contentstack.management.core.csproj
index 04413b7..94b1097 100644
--- a/Contentstack.Management.Core/contentstack.management.core.csproj
+++ b/Contentstack.Management.Core/contentstack.management.core.csproj
@@ -64,7 +64,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 </Project>
diff --git a/Directory.Build.props b/Directory.Build.props
index f62be9a..b3fc491 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,5 +1,5 @@
 <Project>
   <PropertyGroup>
-    <Version>0.1.8</Version>
+    <Version>0.1.9</Version>
   </PropertyGroup>
 </Project>