diff --git a/OpenXmlPowerTools.Tests/OpenXmlPowerTools.Tests.csproj b/OpenXmlPowerTools.Tests/OpenXmlPowerTools.Tests.csproj
index 28a4eb1b..b59eba67 100644
--- a/OpenXmlPowerTools.Tests/OpenXmlPowerTools.Tests.csproj
+++ b/OpenXmlPowerTools.Tests/OpenXmlPowerTools.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <PrivateAssets>all</PrivateAssets>