diff --git a/MimeTypes.Tests/MimeTypes.Tests.csproj b/MimeTypes.Tests/MimeTypes.Tests.csproj
index 410e4d0..faa1423 100644
--- a/MimeTypes.Tests/MimeTypes.Tests.csproj
+++ b/MimeTypes.Tests/MimeTypes.Tests.csproj
@@ -13,7 +13,7 @@
     <ItemGroup>
         <PackageReference Include="NUnit" Version="4.5.1" />
         <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     </ItemGroup>
 
     <ItemGroup>