diff --git a/bindings/dotnet/tests/Photostax.Tests/Photostax.Tests.csproj b/bindings/dotnet/tests/Photostax.Tests/Photostax.Tests.csproj
index bd3e985..0b90589 100644
--- a/bindings/dotnet/tests/Photostax.Tests/Photostax.Tests.csproj
+++ b/bindings/dotnet/tests/Photostax.Tests/Photostax.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <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>