diff --git a/PascalABC.NET.SDK.UnitTests/PascalABC.NET.SDK.UnitTests.csproj b/PascalABC.NET.SDK.UnitTests/PascalABC.NET.SDK.UnitTests.csproj
index fd68e69..2b89589 100644
--- a/PascalABC.NET.SDK.UnitTests/PascalABC.NET.SDK.UnitTests.csproj
+++ b/PascalABC.NET.SDK.UnitTests/PascalABC.NET.SDK.UnitTests.csproj
@@ -19,7 +19,7 @@
 
     <ItemGroup>
         <ProjectReference Include="..\PascalABC.NET.SDK\PascalABC.NET.SDK.csproj"/>
-        <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.11.4"/>
+        <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.13.9"/>
     </ItemGroup>
 
 </Project>
diff --git a/PascalABC.NET.SDK/PascalABC.NET.SDK.csproj b/PascalABC.NET.SDK/PascalABC.NET.SDK.csproj
index 7cfaeaa..e209883 100644
--- a/PascalABC.NET.SDK/PascalABC.NET.SDK.csproj
+++ b/PascalABC.NET.SDK/PascalABC.NET.SDK.csproj
@@ -29,6 +29,6 @@ matches in the other location. -->
     <ItemGroup>
         <PackageReference Include="ChangelogAutomation.MSBuild" Version="2.0.0" PrivateAssets="All"/>
         <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" PrivateAssets="All"/>
-        <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.11.4" PrivateAssets="All"/>
+        <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.13.9" PrivateAssets="All"/>
     </ItemGroup>
 </Project>