diff --git a/tests/nanoFramework.DependencyInjection.UnitTests.nfproj b/tests/nanoFramework.DependencyInjection.UnitTests.nfproj
index 1337e93..e3e642f 100644
--- a/tests/nanoFramework.DependencyInjection.UnitTests.nfproj
+++ b/tests/nanoFramework.DependencyInjection.UnitTests.nfproj
@@ -66,12 +66,12 @@
       <HintPath>..\packages\nanoFramework.CoreLibrary.1.14.2\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework, Version=2.1.55.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.TestFramework.2.1.55\lib\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=2.1.59.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.TestFramework.2.1.59\lib\nanoFramework.TestFramework.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.TestFramework.2.1.55\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\packages\nanoFramework.TestFramework.2.1.59\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
@@ -88,11 +88,11 @@
       <ProjectConfigurationsDeclaredAsItems />
     </ProjectCapabilities>
   </ProjectExtensions>
-  <Import Project="..\packages\nanoFramework.TestFramework.2.1.55\build\nanoFramework.TestFramework.targets" Condition="Exists('..\packages\nanoFramework.TestFramework.2.1.55\build\nanoFramework.TestFramework.targets')" />
+  <Import Project="..\packages\nanoFramework.TestFramework.2.1.59\build\nanoFramework.TestFramework.targets" Condition="Exists('..\packages\nanoFramework.TestFramework.2.1.59\build\nanoFramework.TestFramework.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable 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\nanoFramework.TestFramework.2.1.55\build\nanoFramework.TestFramework.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\nanoFramework.TestFramework.2.1.55\build\nanoFramework.TestFramework.targets'))" />
+    <Error Condition="!Exists('..\packages\nanoFramework.TestFramework.2.1.59\build\nanoFramework.TestFramework.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\nanoFramework.TestFramework.2.1.59\build\nanoFramework.TestFramework.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/tests/packages.config b/tests/packages.config
index b927588..85758ce 100644
--- a/tests/packages.config
+++ b/tests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.14.2" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="2.1.55" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="2.1.59" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file