diff --git a/System.Device.UsbStream/System.Device.UsbStream.nfproj b/System.Device.UsbStream/System.Device.UsbStream.nfproj
index e01834c..48f17a8 100644
--- a/System.Device.UsbStream/System.Device.UsbStream.nfproj
+++ b/System.Device.UsbStream/System.Device.UsbStream.nfproj
@@ -51,7 +51,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.12\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
diff --git a/System.Device.UsbStream/packages.config b/System.Device.UsbStream/packages.config
index 5e5598a..aa36e83 100644
--- a/System.Device.UsbStream/packages.config
+++ b/System.Device.UsbStream/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.18" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.18" targetFramework="netnano1.0" />
diff --git a/System.Device.UsbStream/packages.lock.json b/System.Device.UsbStream/packages.lock.json
index a34ca32..623546e 100644
--- a/System.Device.UsbStream/packages.lock.json
+++ b/System.Device.UsbStream/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.49, 2.0.0-preview.49]",
-        "resolved": "2.0.0-preview.49",
-        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
+        "requested": "[2.0.0-preview.52, 2.0.0-preview.52]",
+        "resolved": "2.0.0-preview.52",
+        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
diff --git a/nanoFramework.System.Device.UsbStream.nuspec b/nanoFramework.System.Device.UsbStream.nuspec
index 3e8a9c0..bcbc653 100644
--- a/nanoFramework.System.Device.UsbStream.nuspec
+++ b/nanoFramework.System.Device.UsbStream.nuspec
@@ -20,7 +20,7 @@ This package requires a target with System.Device.UsbStream v$nativeVersion$ (ch
     <tags>nanoFramework C# csharp netmf netnf nanoFramework.Device.UsbClient</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
         <dependency id="nanoFramework.System.IO.Streams" version="2.0.0-preview.18" />
         <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" />
       </group>