diff --git a/csharp-methods/VirtualAndAbstractMethodInCSharp/Tests/Tests.csproj b/csharp-methods/VirtualAndAbstractMethodInCSharp/Tests/Tests.csproj
index 65d41827e9..e809ef48a8 100644
--- a/csharp-methods/VirtualAndAbstractMethodInCSharp/Tests/Tests.csproj
+++ b/csharp-methods/VirtualAndAbstractMethodInCSharp/Tests/Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
diff --git a/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/Train.cs b/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/Train.cs
index e65c683349..5edef46d0e 100644
--- a/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/Train.cs
+++ b/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/Train.cs
@@ -2,7 +2,7 @@
 {    
     public class Train(double fixedJourneyTime) : TransportMode
     {
-        private double _fixedJourneyTime = fixedJourneyTime;
+        private readonly double _fixedJourneyTime = fixedJourneyTime;
 
         public override double GetTravelTime(double distance)
         {
diff --git a/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp.csproj b/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp.csproj
index 2150e3797b..ed9781c223 100644
--- a/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp.csproj
+++ b/csharp-methods/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp/VirtualAndAbstractMethodInCSharp.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>