diff --git a/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj b/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
index 9ade9f9a7..cfb18b70e 100644
--- a/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
+++ b/tests/NHapi.Base.NUnit/NHapi.Base.NUnit.csproj
@@ -44,7 +44,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <!-- can remove this with next version of nunit https://github.com/nunit/nunit/pull/4582 -->
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.0" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file