diff --git a/src/PuzzleSolver.Tests/PuzzleSolver.Tests.csproj b/src/PuzzleSolver.Tests/PuzzleSolver.Tests.csproj
index 89fecd0..6a48d1f 100644
--- a/src/PuzzleSolver.Tests/PuzzleSolver.Tests.csproj
+++ b/src/PuzzleSolver.Tests/PuzzleSolver.Tests.csproj
@@ -13,7 +13,7 @@
       <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="18.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.11.1" />
     <PackageReference Include="MSTest.TestFramework" Version="3.11.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.4">