diff --git a/Supervisor/Program.cs b/Supervisor/Program.cs
index 2effb2c..614941e 100644
--- a/Supervisor/Program.cs
+++ b/Supervisor/Program.cs
@@ -5,7 +5,7 @@ using Model;
 
 namespace Supervisor
 {
-    class Program
+    static class Program
     {
         public static readonly State State = new State();
 
diff --git a/Supervisor/StatisticsManager.cs b/Supervisor/StatisticsManager.cs
index 3c67473..21a8a8c 100644
--- a/Supervisor/StatisticsManager.cs
+++ b/Supervisor/StatisticsManager.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Supervisor
 {
-    class StatisticsManager
+    static class StatisticsManager
     {
         public static void Start()
         {