diff --git a/src/Orc.Theming.Tests/Orc.Theming.Tests.csproj b/src/Orc.Theming.Tests/Orc.Theming.Tests.csproj
index 9c7fbe7..1cc8de3 100644
--- a/src/Orc.Theming.Tests/Orc.Theming.Tests.csproj
+++ b/src/Orc.Theming.Tests/Orc.Theming.Tests.csproj
@@ -18,7 +18,7 @@
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
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