diff --git a/src/Tests/Finos.Fdc3.SystemTextJson.Tests/Finos.Fdc3.SystemTextJson.Tests.csproj b/src/Tests/Finos.Fdc3.SystemTextJson.Tests/Finos.Fdc3.SystemTextJson.Tests.csproj
index e2ef016..500a2a0 100644
--- a/src/Tests/Finos.Fdc3.SystemTextJson.Tests/Finos.Fdc3.SystemTextJson.Tests.csproj
+++ b/src/Tests/Finos.Fdc3.SystemTextJson.Tests/Finos.Fdc3.SystemTextJson.Tests.csproj
@@ -21,7 +21,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="3.2.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>