diff --git a/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj b/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
index 5fead85..62cfb81 100644
--- a/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
+++ b/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
@@ -18,6 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="NServiceBus" Version="9.0.0-alpha.9" />
     <PackageReference Include="NServiceBus.Testing" Version="9.0.0-alpha.1" />
     <PackageReference Include="Particular.Approvals" Version="1.0.0" />
     <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
diff --git a/src/NServiceBus.TransactionalSession/NServiceBus.TransactionalSession.csproj b/src/NServiceBus.TransactionalSession/NServiceBus.TransactionalSession.csproj
index 7dd0c34..3b921cf 100644
--- a/src/NServiceBus.TransactionalSession/NServiceBus.TransactionalSession.csproj
+++ b/src/NServiceBus.TransactionalSession/NServiceBus.TransactionalSession.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="NServiceBus" Version="9.0.0-alpha.9" />
-    <PackageReference Include="Particular.Packaging" Version="4.0.0" />
+    <PackageReference Include="Particular.Packaging" Version="4.0.0" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>