diff --git a/tests/Rafatz.CalendarSync.Worker.Tests/Rafatz.CalendarSync.Worker.Tests.csproj b/tests/Rafatz.CalendarSync.Worker.Tests/Rafatz.CalendarSync.Worker.Tests.csproj
index cda8f8b..2f7018b 100644
--- a/tests/Rafatz.CalendarSync.Worker.Tests/Rafatz.CalendarSync.Worker.Tests.csproj
+++ b/tests/Rafatz.CalendarSync.Worker.Tests/Rafatz.CalendarSync.Worker.Tests.csproj
@@ -13,7 +13,7 @@
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-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
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