diff --git a/TJC.Singleton.Tests/TJC.Singleton.Tests.csproj b/TJC.Singleton.Tests/TJC.Singleton.Tests.csproj
index 7d2aaf2..d1b3cf9 100644
--- a/TJC.Singleton.Tests/TJC.Singleton.Tests.csproj
+++ b/TJC.Singleton.Tests/TJC.Singleton.Tests.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.4.3" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.5.0" />
     <PackageReference Include="MSTest.TestFramework" Version="3.5.0" />
   </ItemGroup>