diff --git a/Tests/SerializationTests/SerializationTests.nfproj b/Tests/SerializationTests/SerializationTests.nfproj
index 2291d8d..f64f61f 100644
--- a/Tests/SerializationTests/SerializationTests.nfproj
+++ b/Tests/SerializationTests/SerializationTests.nfproj
@@ -42,10 +42,10 @@
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/SerializationTests/packages.config b/Tests/SerializationTests/packages.config
index c556982..ebdc822 100644
--- a/Tests/SerializationTests/packages.config
+++ b/Tests/SerializationTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.52" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/SerializationTests/packages.lock.json b/Tests/SerializationTests/packages.lock.json
index 21955ba..8684d03 100644
--- a/Tests/SerializationTests/packages.lock.json
+++ b/Tests/SerializationTests/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.52, 4.0.0-preview.52]",
-        "resolved": "4.0.0-preview.52",
-        "contentHash": "NnPJcRP41jr5pC8O5Zc29ozBAIm0PEXcj/vc/IjzWzsdNq1cpx8aRAoF3TW9cFEHdLu223tahoZyjFmALRSEoA=="
+        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
+        "resolved": "4.0.0-preview.58",
+        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
       }
     }
   }