diff --git a/XUnitTestProjectCalendar/XUnitTestProjectCalendar.csproj b/XUnitTestProjectCalendar/XUnitTestProjectCalendar.csproj
index ef5179a..8882347 100644
--- a/XUnitTestProjectCalendar/XUnitTestProjectCalendar.csproj
+++ b/XUnitTestProjectCalendar/XUnitTestProjectCalendar.csproj
@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>