diff --git a/Tests/HttpUnitTests/HttpUnitTests.nfproj b/Tests/HttpUnitTests/HttpUnitTests.nfproj
index feb976d..62016a5 100644
--- a/Tests/HttpUnitTests/HttpUnitTests.nfproj
+++ b/Tests/HttpUnitTests/HttpUnitTests.nfproj
@@ -45,7 +45,7 @@
   </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.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.18\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
diff --git a/Tests/HttpUnitTests/packages.config b/Tests/HttpUnitTests/packages.config
index 3d9c453..be0f3ab 100644
--- a/Tests/HttpUnitTests/packages.config
+++ b/Tests/HttpUnitTests/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.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" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
diff --git a/Tests/HttpUnitTests/packages.lock.json b/Tests/HttpUnitTests/packages.lock.json
index f58094c..1970450 100644
--- a/Tests/HttpUnitTests/packages.lock.json
+++ b/Tests/HttpUnitTests/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.System.IO.Streams": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.Client.nuspec b/nanoFramework.System.Net.Http.Client.nuspec
index ad3a6d6..5e7ae62 100644
--- a/nanoFramework.System.Net.Http.Client.nuspec
+++ b/nanoFramework.System.Net.Http.Client.nuspec
@@ -20,11 +20,11 @@ There is also a package with the server API only and another with the full API.<
     <tags>nanoFramework C# csharp netmf netnf http https</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
+        <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.18" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
         <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
       </group>
     </dependencies>
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 ed3f186..6e2aa88 100644
--- a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
+++ b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
@@ -210,10 +210,10 @@
   </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>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.13\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
@@ -225,7 +225,7 @@
       <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.18\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\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>
diff --git a/nanoFramework.System.Net.Http.Client/packages.config b/nanoFramework.System.Net.Http.Client/packages.config
index e086a6c..0d1936b 100644
--- a/nanoFramework.System.Net.Http.Client/packages.config
+++ b/nanoFramework.System.Net.Http.Client/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" 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.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.18" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" 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="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http.Client/packages.lock.json b/nanoFramework.System.Net.Http.Client/packages.lock.json
index f323eae..9eec7b3 100644
--- a/nanoFramework.System.Net.Http.Client/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Client/packages.lock.json
@@ -4,15 +4,15 @@
     ".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",
-        "requested": "[2.0.0-preview.12, 2.0.0-preview.12]",
-        "resolved": "2.0.0-preview.12",
-        "contentHash": "49clC9iMibQ7Sm73xShGsKqjee54JZ7QGuxys1wPkG2tvHIziGtb51U+RxdfdVGz/UtSv9q5ebqo0IYlk7BFxw=="
+        "requested": "[2.0.0-preview.13, 2.0.0-preview.13]",
+        "resolved": "2.0.0-preview.13",
+        "contentHash": "LmPsdvTKJ5HiJbX0FNFWWIvHh23kWmKWCIHggSnMrjaZnjXubqct75mQiB2aWtC7IW0PjGxB2A4cvtle3Zjvzg=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.18, 2.0.0-preview.18]",
-        "resolved": "2.0.0-preview.18",
-        "contentHash": "qLCtluDaXsPIi3vpyRhmifx0yw065UToZ/uPNUJwe0uG3O+uDtEwSWmo/iySy4yiqTBGZ8vFGnfIb0bU2fWFPw=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.Server.nuspec b/nanoFramework.System.Net.Http.Server.nuspec
index 6606d43..84dd339 100644
--- a/nanoFramework.System.Net.Http.Server.nuspec
+++ b/nanoFramework.System.Net.Http.Server.nuspec
@@ -20,11 +20,11 @@ There is also a package with the client API only and another with the full API.<
     <tags>nanoFramework C# csharp netmf netnf http https</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
+        <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.18" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
         <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
       </group>
     </dependencies>
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 37f7b9c..8d5c786 100644
--- a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
+++ b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
@@ -136,10 +136,10 @@
   </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>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.13\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
@@ -151,7 +151,7 @@
       <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.18\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\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>
diff --git a/nanoFramework.System.Net.Http.Server/packages.config b/nanoFramework.System.Net.Http.Server/packages.config
index e086a6c..0d1936b 100644
--- a/nanoFramework.System.Net.Http.Server/packages.config
+++ b/nanoFramework.System.Net.Http.Server/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" 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.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.18" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" 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="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http.Server/packages.lock.json b/nanoFramework.System.Net.Http.Server/packages.lock.json
index f323eae..9eec7b3 100644
--- a/nanoFramework.System.Net.Http.Server/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Server/packages.lock.json
@@ -4,15 +4,15 @@
     ".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",
-        "requested": "[2.0.0-preview.12, 2.0.0-preview.12]",
-        "resolved": "2.0.0-preview.12",
-        "contentHash": "49clC9iMibQ7Sm73xShGsKqjee54JZ7QGuxys1wPkG2tvHIziGtb51U+RxdfdVGz/UtSv9q5ebqo0IYlk7BFxw=="
+        "requested": "[2.0.0-preview.13, 2.0.0-preview.13]",
+        "resolved": "2.0.0-preview.13",
+        "contentHash": "LmPsdvTKJ5HiJbX0FNFWWIvHh23kWmKWCIHggSnMrjaZnjXubqct75mQiB2aWtC7IW0PjGxB2A4cvtle3Zjvzg=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.18, 2.0.0-preview.18]",
-        "resolved": "2.0.0-preview.18",
-        "contentHash": "qLCtluDaXsPIi3vpyRhmifx0yw065UToZ/uPNUJwe0uG3O+uDtEwSWmo/iySy4yiqTBGZ8vFGnfIb0bU2fWFPw=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.Http.nuspec b/nanoFramework.System.Net.Http.nuspec
index 093981b..8146a08 100644
--- a/nanoFramework.System.Net.Http.nuspec
+++ b/nanoFramework.System.Net.Http.nuspec
@@ -20,11 +20,11 @@ There are also two other packages with just the client API and just the server A
 These are meant to be used when there is the need to use smaller assemblies.</description>
     <tags>nanoFramework C# csharp netmf netnf http https</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
-      <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
+      <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.18" />
+      <dependency id="nanoFramework.System.Net" version="2.0.0-preview.19" />
       <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.11" />
     </dependencies>
   </metadata>
diff --git a/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index 226422e..17172a4 100644
--- a/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -110,10 +110,10 @@
   </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>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.13\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
@@ -125,7 +125,7 @@
       <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.18\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.19\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>
diff --git a/nanoFramework.System.Net.Http/packages.config b/nanoFramework.System.Net.Http/packages.config
index e086a6c..0d1936b 100644
--- a/nanoFramework.System.Net.Http/packages.config
+++ b/nanoFramework.System.Net.Http/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" 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.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.18" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.19" 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="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net.Http/packages.lock.json b/nanoFramework.System.Net.Http/packages.lock.json
index f323eae..9eec7b3 100644
--- a/nanoFramework.System.Net.Http/packages.lock.json
+++ b/nanoFramework.System.Net.Http/packages.lock.json
@@ -4,15 +4,15 @@
     ".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",
-        "requested": "[2.0.0-preview.12, 2.0.0-preview.12]",
-        "resolved": "2.0.0-preview.12",
-        "contentHash": "49clC9iMibQ7Sm73xShGsKqjee54JZ7QGuxys1wPkG2tvHIziGtb51U+RxdfdVGz/UtSv9q5ebqo0IYlk7BFxw=="
+        "requested": "[2.0.0-preview.13, 2.0.0-preview.13]",
+        "resolved": "2.0.0-preview.13",
+        "contentHash": "LmPsdvTKJ5HiJbX0FNFWWIvHh23kWmKWCIHggSnMrjaZnjXubqct75mQiB2aWtC7IW0PjGxB2A4cvtle3Zjvzg=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.18, 2.0.0-preview.18]",
-        "resolved": "2.0.0-preview.18",
-        "contentHash": "qLCtluDaXsPIi3vpyRhmifx0yw065UToZ/uPNUJwe0uG3O+uDtEwSWmo/iySy4yiqTBGZ8vFGnfIb0bU2fWFPw=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "Mw8D6KyoknH+5vZfS5lb2Sf9wVAz+Kri+Nhu5HBQuGo+AiXtRF2WMxh/xUO84t9ur90LnxjdSSx6mL9QH6eAxQ=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",