diff --git a/PSOpenLocationCode.Tests/PSOpenLocationCode.Tests.csproj b/PSOpenLocationCode.Tests/PSOpenLocationCode.Tests.csproj
index 5d65963..7ed2f1e 100644
--- a/PSOpenLocationCode.Tests/PSOpenLocationCode.Tests.csproj
+++ b/PSOpenLocationCode.Tests/PSOpenLocationCode.Tests.csproj
@@ -12,7 +12,7 @@
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       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>