diff --git a/src/libs/Directory.Build.props b/src/libs/Directory.Build.props
index 92cd3ae784..ca8e2d29c8 100644
--- a/src/libs/Directory.Build.props
+++ b/src/libs/Directory.Build.props
@@ -39,7 +39,7 @@
   </ItemGroup>
 
   <PropertyGroup Label="Versioning">
-    <Version>0.6.1</Version>
+    <Version>0.6.2</Version>
     <MinVerMinimumMajorMinor>0.1</MinVerMinimumMajorMinor>
     <MinVerTagPrefix>v</MinVerTagPrefix>
     <MinVerDefaultPreReleaseIdentifiers>dev</MinVerDefaultPreReleaseIdentifiers>
diff --git a/src/libs/OpenApiGenerator.Core/Generation/Sources.Methods.cs b/src/libs/OpenApiGenerator.Core/Generation/Sources.Methods.cs
index 4f9012dc68..e19ecfbdbd 100644
--- a/src/libs/OpenApiGenerator.Core/Generation/Sources.Methods.cs
+++ b/src/libs/OpenApiGenerator.Core/Generation/Sources.Methods.cs
@@ -38,7 +38,7 @@ public static string GenerateConstructors(
 
 namespace {endPoint.Namespace}
 {{
-    public partial class {endPoint.ClassName} : global::System.IDisposable
+    public sealed partial class {endPoint.ClassName} : global::System.IDisposable
     {{
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index e27b7e1d49..052212600e 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index e27b7e1d49..052212600e 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/LangSmith/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 8da0db475c..ba5e11a436 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 8da0db475c..ba5e11a436 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/Ollama/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index f93906c584..50363dbf30 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index f93906c584..50363dbf30 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenAi/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 3a655c5a33..01bf795bb1 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 3a655c5a33..01bf795bb1 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/OpenApi3_0_Yaml/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 411686d110..fe9f67ae07 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/NewtonsoftJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;
 
diff --git a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
index 411686d110..fe9f67ae07 100644
--- a/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
+++ b/src/tests/OpenApiGenerator.SnapshotTests/Snapshots/YamlWithLocalFile/SystemTextJson/_#G.Api.EndPoints.Constructors.g.verified.cs
@@ -4,7 +4,7 @@
 
 namespace G
 {
-    public partial class Api : global::System.IDisposable
+    public sealed partial class Api : global::System.IDisposable
     {
         private readonly global::System.Net.Http.HttpClient _httpClient;