diff --git a/test/ExcelDnaUnpack.Tests/ExcelDnaUnpack.Tests.csproj b/test/ExcelDnaUnpack.Tests/ExcelDnaUnpack.Tests.csproj
index d3dc150..3467109 100644
--- a/test/ExcelDnaUnpack.Tests/ExcelDnaUnpack.Tests.csproj
+++ b/test/ExcelDnaUnpack.Tests/ExcelDnaUnpack.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>net5.0;netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.1.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>