diff --git a/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj b/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
index cb93183f3..51cf51df9 100644
--- a/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
+++ b/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="NUnit" Version="4.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="5.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="TimeZoneConverter" Version="7.2.0" />