diff --git a/.gitignore b/.gitignore
index 9657bc6..0fb9aa6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -122,3 +122,4 @@ Makefile.in
 /config.status
 .vs/
 UpgradeLog*.htm
+runtimes/
diff --git a/packages/NUnit3TestAdapter.3.12.0/NUnit3TestAdapter.3.12.0.nupkg b/packages/NUnit3TestAdapter.3.12.0/NUnit3TestAdapter.3.12.0.nupkg
deleted file mode 100644
index 8b5057f..0000000
Binary files a/packages/NUnit3TestAdapter.3.12.0/NUnit3TestAdapter.3.12.0.nupkg and /dev/null differ
diff --git a/packages/NUnit3TestAdapter.3.12.0/.signature.p7s b/packages/NUnit3TestAdapter.3.13.0/.signature.p7s
similarity index 87%
rename from packages/NUnit3TestAdapter.3.12.0/.signature.p7s
rename to packages/NUnit3TestAdapter.3.13.0/.signature.p7s
index c4d5a2b..c898072 100644
Binary files a/packages/NUnit3TestAdapter.3.12.0/.signature.p7s and b/packages/NUnit3TestAdapter.3.13.0/.signature.p7s differ
diff --git a/packages/NUnit3TestAdapter.3.12.0/LICENSE.txt b/packages/NUnit3TestAdapter.3.13.0/LICENSE.txt
similarity index 94%
rename from packages/NUnit3TestAdapter.3.12.0/LICENSE.txt
rename to packages/NUnit3TestAdapter.3.13.0/LICENSE.txt
index 210c647..97265c8 100644
--- a/packages/NUnit3TestAdapter.3.12.0/LICENSE.txt
+++ b/packages/NUnit3TestAdapter.3.13.0/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2011-2017 Charlie Poole, 2014-2017 Terje Sandstrom
+Copyright (c) 2011-2019 Charlie Poole, 2014-2019 Terje Sandstrom
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/NUnit3TestAdapter.3.13.0/NUnit3TestAdapter.3.13.0.nupkg b/packages/NUnit3TestAdapter.3.13.0/NUnit3TestAdapter.3.13.0.nupkg
new file mode 100644
index 0000000..8f1c34d
Binary files /dev/null and b/packages/NUnit3TestAdapter.3.13.0/NUnit3TestAdapter.3.13.0.nupkg differ
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/net35/NUnit3.TestAdapter.dll b/packages/NUnit3TestAdapter.3.13.0/build/net35/NUnit3.TestAdapter.dll
similarity index 81%
rename from packages/NUnit3TestAdapter.3.12.0/build/net35/NUnit3.TestAdapter.dll
rename to packages/NUnit3TestAdapter.3.13.0/build/net35/NUnit3.TestAdapter.dll
index 9790725..58ab34b 100644
Binary files a/packages/NUnit3TestAdapter.3.12.0/build/net35/NUnit3.TestAdapter.dll and b/packages/NUnit3TestAdapter.3.13.0/build/net35/NUnit3.TestAdapter.dll differ
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/net35/NUnit3TestAdapter.props b/packages/NUnit3TestAdapter.3.13.0/build/net35/NUnit3TestAdapter.props
similarity index 100%
rename from packages/NUnit3TestAdapter.3.12.0/build/net35/NUnit3TestAdapter.props
rename to packages/NUnit3TestAdapter.3.13.0/build/net35/NUnit3TestAdapter.props
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/net35/nunit.engine.api.dll b/packages/NUnit3TestAdapter.3.13.0/build/net35/nunit.engine.api.dll
similarity index 100%
rename from packages/NUnit3TestAdapter.3.12.0/build/net35/nunit.engine.api.dll
rename to packages/NUnit3TestAdapter.3.13.0/build/net35/nunit.engine.api.dll
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/net35/nunit.engine.dll b/packages/NUnit3TestAdapter.3.13.0/build/net35/nunit.engine.dll
similarity index 100%
rename from packages/NUnit3TestAdapter.3.12.0/build/net35/nunit.engine.dll
rename to packages/NUnit3TestAdapter.3.13.0/build/net35/nunit.engine.dll
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll b/packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll
similarity index 84%
rename from packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll
rename to packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll
index 53ad889..42017d2 100644
Binary files a/packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll and b/packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/NUnit3.TestAdapter.dll differ
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/NUnit3TestAdapter.props b/packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/NUnit3TestAdapter.props
similarity index 100%
rename from packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/NUnit3TestAdapter.props
rename to packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/NUnit3TestAdapter.props
diff --git a/packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/nunit.engine.netstandard.dll b/packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/nunit.engine.netstandard.dll
similarity index 100%
rename from packages/NUnit3TestAdapter.3.12.0/build/netcoreapp1.0/nunit.engine.netstandard.dll
rename to packages/NUnit3TestAdapter.3.13.0/build/netcoreapp1.0/nunit.engine.netstandard.dll
diff --git a/tests/build/net45/KeraLuaTest.csproj b/tests/build/net45/KeraLuaTest.csproj
index 3c67906..f88c84f 100644
--- a/tests/build/net45/KeraLuaTest.csproj
+++ b/tests/build/net45/KeraLuaTest.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\packages\NUnit3TestAdapter.3.12.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\..\..\packages\NUnit3TestAdapter.3.12.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\..\..\packages\NUnit3TestAdapter.3.13.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\..\..\packages\NUnit3TestAdapter.3.13.0\build\net35\NUnit3TestAdapter.props')" />
   <Import Project="..\..\..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\..\..\packages\NUnit.3.11.0\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -129,6 +129,6 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('..\..\..\packages\NUnit.3.11.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\NUnit.3.11.0\build\NUnit.props'))" />
-    <Error Condition="!Exists('..\..\..\packages\NUnit3TestAdapter.3.12.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\NUnit3TestAdapter.3.12.0\build\net35\NUnit3TestAdapter.props'))" />
+    <Error Condition="!Exists('..\..\..\packages\NUnit3TestAdapter.3.13.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\NUnit3TestAdapter.3.13.0\build\net35\NUnit3TestAdapter.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/tests/build/net45/packages.config b/tests/build/net45/packages.config
index 1e0c6fd..4386ac9 100644
--- a/tests/build/net45/packages.config
+++ b/tests/build/net45/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NUnit" version="3.11.0" targetFramework="net45" />
-  <package id="NUnit3TestAdapter" version="3.12.0" targetFramework="net45" />
+  <package id="NUnit3TestAdapter" version="3.13.0" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/tests/build/netcore/KeraLuaTest.Core.csproj b/tests/build/netcore/KeraLuaTest.Core.csproj
index bef3794..3a9ac51 100644
--- a/tests/build/netcore/KeraLuaTest.Core.csproj
+++ b/tests/build/netcore/KeraLuaTest.Core.csproj
@@ -25,8 +25,8 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.11.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.12.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.13.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.0" />
   </ItemGroup>
 <ItemGroup>
     <Compile Include="..\..\Properties\AssemblyInfo.cs" />