diff --git a/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj b/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
index f600fb2..ed1a23b 100644
--- a/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
+++ b/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
@@ -40,7 +40,7 @@
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\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.17\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.19\lib\netnano1.0\nanoFramework.Runtime.Events.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.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
@@ -52,13 +52,13 @@
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.64\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.Device.Wifi, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Wifi.2.0.0-preview.39\lib\netnano1.0\System.Device.Wifi.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Device.Wifi.2.0.0-preview.40\lib\netnano1.0\System.Device.Wifi.dll</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.29\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.42\lib\netnano1.0\System.Net.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Net.2.0.0-preview.43\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.20\lib\netnano1.0\System.Threading.dll</HintPath>
diff --git a/Tests/SslStreamTests_WiFi/packages.config b/Tests/SslStreamTests_WiFi/packages.config
index eebe8c7..d520883 100644
--- a/Tests/SslStreamTests_WiFi/packages.config
+++ b/Tests/SslStreamTests_WiFi/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Wifi" version="2.0.0-preview.39" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Device.Wifi" version="2.0.0-preview.40" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="2.0.0-preview.42" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.43" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.20" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.64" targetFramework="netnano1.0" developmentDependency="true" />
diff --git a/Tests/SslStreamTests_WiFi/packages.lock.json b/Tests/SslStreamTests_WiFi/packages.lock.json
index 31e5ba7..f3395f0 100644
--- a/Tests/SslStreamTests_WiFi/packages.lock.json
+++ b/Tests/SslStreamTests_WiFi/packages.lock.json
@@ -10,15 +10,15 @@
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "m+hCcq3jtakTPnsufdZY8Mv/Akh+MIk11qUV9+GCq9Io7lXgnI5oDOfOO0lx2Z3fPGgoP4o3YwL9mGycc4tbeQ=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "stA/5UwMO802D6B2z6rcvQVsdpX2eUywhWPDQ/elvm7dAc6clpC9s3WuhFGI8NiuLnJftU6g4Kmj68CS9QYmxQ=="
       },
       "nanoFramework.System.Device.Wifi": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.39, 2.0.0-preview.39]",
-        "resolved": "2.0.0-preview.39",
-        "contentHash": "ts7dGQuPcmSdzd0gr/aqbRHFvC/5+CbJsknRSJ4aOv3CeNzdKwAdfplUhQn/C9qCMu7bwMe4od7ZVw8iYGwbRw=="
+        "requested": "[2.0.0-preview.40, 2.0.0-preview.40]",
+        "resolved": "2.0.0-preview.40",
+        "contentHash": "yTw/WolU9Qfg7FVt1MbU+IXaZNhocjj4TxgQRYGGIpmt80FUfIZtUAt3C+irvknZTLbT6MG7nc87jwVbcx3EcA=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.42, 2.0.0-preview.42]",
-        "resolved": "2.0.0-preview.42",
-        "contentHash": "Rpzd8kHg9hVW2kDhtDeFeZQpbUNzaFHoH1gRxm8a5UrJEO2PVAGK1C3YX18++wU2cSXAkKAyon8Big+i/z5TPg=="
+        "requested": "[2.0.0-preview.43, 2.0.0-preview.43]",
+        "resolved": "2.0.0-preview.43",
+        "contentHash": "jFvPOvvmXDSD5lG8lxRghtLqHctGANX6bZ7REG3+TovVdtJ4G0hh03PySmtIdxYGW9dxn79g2PXXIt+t6yHmuw=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/nanoFramework.System.Net.nuspec b/nanoFramework.System.Net.nuspec
index e1a95d9..f2d8b32 100644
--- a/nanoFramework.System.Net.nuspec
+++ b/nanoFramework.System.Net.nuspec
@@ -21,7 +21,7 @@ This package requires a target with System.Net native contract hash $nativeContr
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
         <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" />
         <dependency id="nanoFramework.System.Text" version="2.0.0-preview.37" />
         <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.20" />
         <dependency id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" />
diff --git a/nanoFramework.System.Net/System.Net.nfproj b/nanoFramework.System.Net/System.Net.nfproj
index b24f1cb..7e901bc 100644
--- a/nanoFramework.System.Net/System.Net.nfproj
+++ b/nanoFramework.System.Net/System.Net.nfproj
@@ -106,7 +106,7 @@
       <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\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.17\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.19\lib\netnano1.0\nanoFramework.Runtime.Events.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.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
diff --git a/nanoFramework.System.Net/packages.config b/nanoFramework.System.Net/packages.config
index 906b647..86f19c0 100644
--- a/nanoFramework.System.Net/packages.config
+++ b/nanoFramework.System.Net/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.SourceLink.Common" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="Microsoft.SourceLink.GitHub" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.20" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Net/packages.lock.json b/nanoFramework.System.Net/packages.lock.json
index b62c3f4..3445723 100644
--- a/nanoFramework.System.Net/packages.lock.json
+++ b/nanoFramework.System.Net/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "m+hCcq3jtakTPnsufdZY8Mv/Akh+MIk11qUV9+GCq9Io7lXgnI5oDOfOO0lx2Z3fPGgoP4o3YwL9mGycc4tbeQ=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "stA/5UwMO802D6B2z6rcvQVsdpX2eUywhWPDQ/elvm7dAc6clpC9s3WuhFGI8NiuLnJftU6g4Kmj68CS9QYmxQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",