diff --git a/VNet.Calendar.Tests/VNet.Calendar.Tests.csproj b/VNet.Calendar.Tests/VNet.Calendar.Tests.csproj
index 75f314e..265234a 100644
--- a/VNet.Calendar.Tests/VNet.Calendar.Tests.csproj
+++ b/VNet.Calendar.Tests/VNet.Calendar.Tests.csproj
@@ -7,9 +7,9 @@
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0-preview-23577-04" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.2.0-preview.23622.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.2.0-preview.23622.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>