diff --git a/UblTr.Tests/UblTr.Tests.csproj b/UblTr.Tests/UblTr.Tests.csproj
index 3f267b1..41f0831 100644
--- a/UblTr.Tests/UblTr.Tests.csproj
+++ b/UblTr.Tests/UblTr.Tests.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
 
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.2" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="6.0.0"><IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>