diff --git a/nanoFramework.System.Net.Http.Client.nuspec b/nanoFramework.System.Net.Http.Client.nuspec
index 5e7ae62..1d44e56 100644
--- a/nanoFramework.System.Net.Http.Client.nuspec
+++ b/nanoFramework.System.Net.Http.Client.nuspec
@@ -24,8 +24,8 @@ There is also a package with the server API only and another with the full API.<
         <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" />
         <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
         <dependency id="nanoFramework.System.Text" version="2.0.0-preview.18" />
-        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
-        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.21" />
+        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.14" />
       </group>
     </dependencies>
   </metadata>
diff --git a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
index 6e2aa88..eed22e1 100644
--- a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
+++ b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
@@ -225,10 +225,10 @@
       <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.18\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
     <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.21\lib\netnano1.0\System.Net.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.11\lib\netnano1.0\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.14\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http.Client/packages.config b/nanoFramework.System.Net.Http.Client/packages.config
index 0d1936b..1510b3e 100644
--- a/nanoFramework.System.Net.Http.Client/packages.config
+++ b/nanoFramework.System.Net.Http.Client/packages.config
@@ -4,8 +4,8 @@
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.21" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Threading" version="2.0.0-preview.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Client/packages.lock.json b/nanoFramework.System.Net.Http.Client/packages.lock.json
index 9eec7b3..d2ec4df 100644
--- a/nanoFramework.System.Net.Http.Client/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Client/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
-        "resolved": "2.0.0-preview.19",
-        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
+        "requested": "[2.0.0-preview.21, 2.0.0-preview.21]",
+        "resolved": "2.0.0-preview.21",
+        "contentHash": "FwudtrZ58UfZPegEEMjQtjkIzF1IlN6hu8t1N2sKkNske09fXu0N09p7iPFL7D6mF9pwEtTPLOzlO+XdbvFZIg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
@@ -40,9 +40,9 @@
       },
       "nanoFramework.System.Threading": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.11, 2.0.0-preview.11]",
-        "resolved": "2.0.0-preview.11",
-        "contentHash": "2o1p17pjNoV2DNZEaO2EKu8L9tR2CSwE558iVxyCUa8EZ4T4C98E9YyZmryXTlTB/wzEfLzB0I5GAVsQGHWKeg=="
+        "requested": "[2.0.0-preview.14, 2.0.0-preview.14]",
+        "resolved": "2.0.0-preview.14",
+        "contentHash": "4JBZx5/Y3Dd5BZJXHEOw6rD54aWL1p7W2f9QrLRgRQrprIO6AylEFlH2tQuxlyE5YtNRRxaapW4s2mZiOs0Wxg=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.Server.nuspec b/nanoFramework.System.Net.Http.Server.nuspec
index 84dd339..3cdda03 100644
--- a/nanoFramework.System.Net.Http.Server.nuspec
+++ b/nanoFramework.System.Net.Http.Server.nuspec
@@ -24,8 +24,8 @@ There is also a package with the client API only and another with the full API.<
         <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" />
         <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
         <dependency id="nanoFramework.System.Text" version="2.0.0-preview.18" />
-        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
-        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.21" />
+        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.14" />
       </group>
     </dependencies>
   </metadata>
diff --git a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
index 8d5c786..8f21a2b 100644
--- a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
+++ b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
@@ -151,10 +151,10 @@
       <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.18\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
     <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.21\lib\netnano1.0\System.Net.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.11\lib\netnano1.0\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.14\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http.Server/packages.config b/nanoFramework.System.Net.Http.Server/packages.config
index 0d1936b..1510b3e 100644
--- a/nanoFramework.System.Net.Http.Server/packages.config
+++ b/nanoFramework.System.Net.Http.Server/packages.config
@@ -4,8 +4,8 @@
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.21" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Threading" version="2.0.0-preview.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Server/packages.lock.json b/nanoFramework.System.Net.Http.Server/packages.lock.json
index 9eec7b3..d2ec4df 100644
--- a/nanoFramework.System.Net.Http.Server/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Server/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
-        "resolved": "2.0.0-preview.19",
-        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
+        "requested": "[2.0.0-preview.21, 2.0.0-preview.21]",
+        "resolved": "2.0.0-preview.21",
+        "contentHash": "FwudtrZ58UfZPegEEMjQtjkIzF1IlN6hu8t1N2sKkNske09fXu0N09p7iPFL7D6mF9pwEtTPLOzlO+XdbvFZIg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
@@ -40,9 +40,9 @@
       },
       "nanoFramework.System.Threading": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.11, 2.0.0-preview.11]",
-        "resolved": "2.0.0-preview.11",
-        "contentHash": "2o1p17pjNoV2DNZEaO2EKu8L9tR2CSwE558iVxyCUa8EZ4T4C98E9YyZmryXTlTB/wzEfLzB0I5GAVsQGHWKeg=="
+        "requested": "[2.0.0-preview.14, 2.0.0-preview.14]",
+        "resolved": "2.0.0-preview.14",
+        "contentHash": "4JBZx5/Y3Dd5BZJXHEOw6rD54aWL1p7W2f9QrLRgRQrprIO6AylEFlH2tQuxlyE5YtNRRxaapW4s2mZiOs0Wxg=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.nuspec b/nanoFramework.System.Net.Http.nuspec
index 8146a08..f2516da 100644
--- a/nanoFramework.System.Net.Http.nuspec
+++ b/nanoFramework.System.Net.Http.nuspec
@@ -24,8 +24,8 @@ These are meant to be used when there is the need to use smaller assemblies.</de
       <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" />
       <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
       <dependency id="nanoFramework.System.Text" version="2.0.0-preview.18" />
-      <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
-      <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
+      <dependency id="nanoFramework.System.Net" version="2.0.0-preview.21" />
+      <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.14" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index 17172a4..a7d101a 100644
--- a/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -125,10 +125,10 @@
       <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.18\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
     <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.21\lib\netnano1.0\System.Net.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.11\lib\netnano1.0\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.14\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http/packages.config b/nanoFramework.System.Net.Http/packages.config
index 0d1936b..1510b3e 100644
--- a/nanoFramework.System.Net.Http/packages.config
+++ b/nanoFramework.System.Net.Http/packages.config
@@ -4,8 +4,8 @@
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.21" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.18" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Threading" version="2.0.0-preview.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http/packages.lock.json b/nanoFramework.System.Net.Http/packages.lock.json
index 9eec7b3..d2ec4df 100644
--- a/nanoFramework.System.Net.Http/packages.lock.json
+++ b/nanoFramework.System.Net.Http/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
-        "resolved": "2.0.0-preview.19",
-        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
+        "requested": "[2.0.0-preview.21, 2.0.0-preview.21]",
+        "resolved": "2.0.0-preview.21",
+        "contentHash": "FwudtrZ58UfZPegEEMjQtjkIzF1IlN6hu8t1N2sKkNske09fXu0N09p7iPFL7D6mF9pwEtTPLOzlO+XdbvFZIg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
@@ -40,9 +40,9 @@
       },
       "nanoFramework.System.Threading": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.11, 2.0.0-preview.11]",
-        "resolved": "2.0.0-preview.11",
-        "contentHash": "2o1p17pjNoV2DNZEaO2EKu8L9tR2CSwE558iVxyCUa8EZ4T4C98E9YyZmryXTlTB/wzEfLzB0I5GAVsQGHWKeg=="
+        "requested": "[2.0.0-preview.14, 2.0.0-preview.14]",
+        "resolved": "2.0.0-preview.14",
+        "contentHash": "4JBZx5/Y3Dd5BZJXHEOw6rD54aWL1p7W2f9QrLRgRQrprIO6AylEFlH2tQuxlyE5YtNRRxaapW4s2mZiOs0Wxg=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",