diff --git a/.github/workflows/standard-criteria-tests.yml b/.github/workflows/standard-criteria-tests.yml
index 54bb2f1..7a54ec3 100644
--- a/.github/workflows/standard-criteria-tests.yml
+++ b/.github/workflows/standard-criteria-tests.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '8.0.x'
+          dotnet-version: '9.0.x'
       # 3) Restore the dependencies and tools of a project or solution.
       - name: Install dependencies
         run: dotnet restore
diff --git a/csharp-fundamentals-class-members.Main/Core.cs b/csharp-fundamentals-class-members.Main/Core.cs
index 855e8da..b034a15 100644
--- a/csharp-fundamentals-class-members.Main/Core.cs
+++ b/csharp-fundamentals-class-members.Main/Core.cs
@@ -20,31 +20,30 @@ public class Core
 
 
         //TODO: 1. Create an integer member named age with a value of 32
-        public int age = 33;
+        public int age = 32;
 
 
 
         //TODO: 2. Create a String member named firstName with a value of "Jane"
+        public string firstName { get; set; } = "Jane";
 
-
-
-        //TODO: 3. Create a boolean member named isProgrammer with a value of true
-
+        //TODO: 3. Create a bool9ean member named isProgrammer with a value of true
+        public bool isProgrammer = true;
 
 
         //TODO: 4. Change the value below so that the tests pass. Check the README.md file for instructions on
         // running and reading tests
-        public int firstNumber = 109;
+        public int firstNumber = 9182;
 
 
 
         //TODO: 5. Change the value below so that the tests pass
-        public string firstString = "Ruby is to Python what car is to carpet.";
+        public string firstString = "Java is to Javascript what car is to carpet.";
 
 
 
 
         //TODO: 6. Change the visibility below so that the tests pass
-        private bool isVisible = true;
+        public bool isVisible = true;
     }
 }
diff --git a/csharp-fundamentals-class-members.Main/csharp-fundamentals-class-members.Main.csproj b/csharp-fundamentals-class-members.Main/csharp-fundamentals-class-members.Main.csproj
index 5bf0c28..946abbf 100644
--- a/csharp-fundamentals-class-members.Main/csharp-fundamentals-class-members.Main.csproj
+++ b/csharp-fundamentals-class-members.Main/csharp-fundamentals-class-members.Main.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
diff --git a/csharp-fundamentals-class-members.Test/csharp-fundamentals-class-members.Test.csproj b/csharp-fundamentals-class-members.Test/csharp-fundamentals-class-members.Test.csproj
index ebcb326..39bc601 100644
--- a/csharp-fundamentals-class-members.Test/csharp-fundamentals-class-members.Test.csproj
+++ b/csharp-fundamentals-class-members.Test/csharp-fundamentals-class-members.Test.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>