diff --git a/tests/OnlineExam.Application.Tests/OnlineExam.Application.Tests.csproj b/tests/OnlineExam.Application.Tests/OnlineExam.Application.Tests.csproj
index 07954e8..49de22c 100644
--- a/tests/OnlineExam.Application.Tests/OnlineExam.Application.Tests.csproj
+++ b/tests/OnlineExam.Application.Tests/OnlineExam.Application.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
     <PackageReference Include="FluentAssertions" Version="8.9.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
diff --git a/tests/OnlineExam.Domain.Tests/OnlineExam.Domain.Tests.csproj b/tests/OnlineExam.Domain.Tests/OnlineExam.Domain.Tests.csproj
index ade9975..5b1ecb8 100644
--- a/tests/OnlineExam.Domain.Tests/OnlineExam.Domain.Tests.csproj
+++ b/tests/OnlineExam.Domain.Tests/OnlineExam.Domain.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
     <PackageReference Include="FluentAssertions" Version="8.9.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>