diff --git a/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Base.Tests.csproj b/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Base.Tests.csproj
index 291c49a..e8ef6ff 100644
--- a/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Base.Tests.csproj
+++ b/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Base.Tests.csproj
@@ -29,7 +29,7 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
 		<PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
-		<PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
+		<PackageReference Include="MSTest.TestFramework" Version="3.5.1" />
 		<PackageReference Include="coverlet.collector" Version="6.0.2">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj b/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
index 39e06d8..b0c0c24 100644
--- a/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
+++ b/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
@@ -22,7 +22,7 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
 		<PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
-		<PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
+		<PackageReference Include="MSTest.TestFramework" Version="3.5.1" />
 		<PackageReference Include="coverlet.collector" Version="6.0.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>