diff --git a/test/Serilog.Sinks.HttpTests/Serilog.Sinks.HttpTests.csproj b/test/Serilog.Sinks.HttpTests/Serilog.Sinks.HttpTests.csproj
index f28b24a7..48b65d2b 100644
--- a/test/Serilog.Sinks.HttpTests/Serilog.Sinks.HttpTests.csproj
+++ b/test/Serilog.Sinks.HttpTests/Serilog.Sinks.HttpTests.csproj
@@ -17,7 +17,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Markdig" Version="0.39.1" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />