diff --git a/src/Mattox.NServiceBus.Tests/Mattox.NServiceBus.Tests.csproj b/src/Mattox.NServiceBus.Tests/Mattox.NServiceBus.Tests.csproj
index f816f12..f301c62 100644
--- a/src/Mattox.NServiceBus.Tests/Mattox.NServiceBus.Tests.csproj
+++ b/src/Mattox.NServiceBus.Tests/Mattox.NServiceBus.Tests.csproj
@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.0" />
         <PackageReference Include="NServiceBus" Version="8.2.1" />
         <PackageReference Include="NServiceBus.Extensions.Hosting" Version="2.0.0" />
     </ItemGroup>