diff --git a/tests/NLog.Web.AspNetCore.Tests/NLog.Web.AspNetCore.Tests.csproj b/tests/NLog.Web.AspNetCore.Tests/NLog.Web.AspNetCore.Tests.csproj
index ff0a2100..8c5a0564 100644
--- a/tests/NLog.Web.AspNetCore.Tests/NLog.Web.AspNetCore.Tests.csproj
+++ b/tests/NLog.Web.AspNetCore.Tests/NLog.Web.AspNetCore.Tests.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="System.ValueTuple" Version="4.6.1" />
     <PackageReference Include="Microsoft.AspNetCore" Version="2.3.0" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Core" Version="2.3.6" />
-    <PackageReference Include="System.Formats.Asn1" Version="6.0.1" />
+    <PackageReference Include="System.Formats.Asn1" Version="10.0.9" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />