diff --git a/tests/Serilog.Formatting.Log4Net.Tests.csproj b/tests/Serilog.Formatting.Log4Net.Tests.csproj
index 83f228d..829e82e 100644
--- a/tests/Serilog.Formatting.Log4Net.Tests.csproj
+++ b/tests/Serilog.Formatting.Log4Net.Tests.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="coverlet.collector" Version="6.0.0" PrivateAssets="all" />
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.3.3" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
     <PackageReference Include="ReportGenerator" Version="5.2.0" PrivateAssets="all" />
     <PackageReference Include="Serilog" Version="3.1.1" />