diff --git a/src/Moq.Tests/Moq.Tests.csproj b/src/Moq.Tests/Moq.Tests.csproj
index 301b0214d..87349a5ae 100644
--- a/src/Moq.Tests/Moq.Tests.csproj
+++ b/src/Moq.Tests/Moq.Tests.csproj
@@ -37,7 +37,7 @@
     <PackageReference Include="System.Collections.Specialized" Version="4.3.0" />
     <PackageReference Include="System.ComponentModel.Primitives" Version="4.3.0" />
     <PackageReference Include="System.Diagnostics.TraceSource" Version="4.3.0" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.5.3" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>