diff --git a/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs b/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
index 96ceb12b48435..6aadf6a3a0e05 100644
--- a/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
+++ b/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
@@ -4,7 +4,7 @@ namespace %name.PascalCased%
 {
     public class %name.PascalCased%Stack : Stack
     {
-        public %name.PascalCased%Stack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
+        internal %name.PascalCased%Stack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
         {
             // The code that defines your stack goes here
         }
diff --git a/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/Program.template.cs b/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/Program.template.cs
index 87a103bcb8816..a2ce1b67fdd53 100644
--- a/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/Program.template.cs
+++ b/packages/aws-cdk/lib/init-templates/app/csharp/src/%name.PascalCased%/Program.template.cs
@@ -5,9 +5,9 @@
 
 namespace %name.PascalCased%
 {
-    class Program
+    sealed class Program
     {
-        static void Main(string[] args)
+        public static void Main(string[] args)
         {
             var app = new App();
             new %name.PascalCased%Stack(app, "%name.PascalCased%Stack");
diff --git a/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs b/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
index 61091faca37b9..365330ed65925 100644
--- a/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
+++ b/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/%name.PascalCased%Stack.template.cs
@@ -7,7 +7,7 @@ namespace %name.PascalCased%
 {
     public class %name.PascalCased%Stack : Stack
     {
-        public %name.PascalCased%Stack(Construct parent, string id, IStackProps props = null) : base(parent, id, props)
+        internal %name.PascalCased%Stack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
         {
              // The CDK includes built-in constructs for most resource types, such as Queues and Topics.
             var queue = new Queue(this, "%name.PascalCased%Queue", new QueueProps
diff --git a/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/Program.template.cs b/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/Program.template.cs
index 0ef3d334917d4..20d5337f09888 100644
--- a/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/Program.template.cs
+++ b/packages/aws-cdk/lib/init-templates/sample-app/csharp/src/%name.PascalCased%/Program.template.cs
@@ -2,9 +2,9 @@
 
 namespace %name.PascalCased%
 {
-    class Program
+    sealed class Program
     {
-        static void Main(string[] args)
+        public static void Main(string[] args)
         {
             var app = new App();
             new %name.PascalCased%Stack(app, "%name.PascalCased%Stack");