diff --git a/CSharp/Test/TestBasic/TestBasic.csproj b/CSharp/Test/TestBasic/TestBasic.csproj
index 3992aca..27af5f8 100644
--- a/CSharp/Test/TestBasic/TestBasic.csproj
+++ b/CSharp/Test/TestBasic/TestBasic.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
     <PackageReference Include="coverlet.collector" Version="3.2.0" />
diff --git a/CSharp/Test/TestConcurrency/TestConcurrency.csproj b/CSharp/Test/TestConcurrency/TestConcurrency.csproj
index 3992aca..27af5f8 100644
--- a/CSharp/Test/TestConcurrency/TestConcurrency.csproj
+++ b/CSharp/Test/TestConcurrency/TestConcurrency.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
     <PackageReference Include="coverlet.collector" Version="3.2.0" />