diff --git a/tests/UTF-unknown.Tests.csproj b/tests/UTF-unknown.Tests.csproj
index a6dd624..b321bd8 100644
--- a/tests/UTF-unknown.Tests.csproj
+++ b/tests/UTF-unknown.Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="NUnit" Version="4.6.1" />
-    <PackageReference Include="NUnit3TestAdapter" Version="5.1.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
   </ItemGroup>
 
   <ItemGroup>