diff --git a/WebSockets.Client/System.Net.WebSockets.Client.nfproj b/WebSockets.Client/System.Net.WebSockets.Client.nfproj
index 6361291..a824965 100644
--- a/WebSockets.Client/System.Net.WebSockets.Client.nfproj
+++ b/WebSockets.Client/System.Net.WebSockets.Client.nfproj
@@ -95,27 +95,27 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.12.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.1\lib\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.10.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.4\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.6\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.7\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.9\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.3.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.7\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.9\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.15\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.17\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading, Version=1.0.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.8\lib\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.10\lib\System.Threading.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/WebSockets.Client/packages.config b/WebSockets.Client/packages.config
index dffc77f..cd5738e 100644
--- a/WebSockets.Client/packages.config
+++ b/WebSockets.Client/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.4.0-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.8.0-preview.15" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.1.3-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Threading" version="1.0.4-preview.8" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.4.0-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.8.0-preview.17" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.1.3-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Threading" version="1.0.4-preview.10" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.4.244" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/WebSockets.Server/System.Net.WebSockets.Server.nfproj b/WebSockets.Server/System.Net.WebSockets.Server.nfproj
index a8526d6..0546eb7 100644
--- a/WebSockets.Server/System.Net.WebSockets.Server.nfproj
+++ b/WebSockets.Server/System.Net.WebSockets.Server.nfproj
@@ -98,31 +98,31 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.12.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.1\lib\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.10.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.4\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.6\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.7\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.9\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.3.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.7\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.9\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.15\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.17\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.Http.1.4.0-preview.12\lib\System.Net.Http.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.Http.1.4.0-preview.13\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading, Version=1.0.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.8\lib\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.10\lib\System.Threading.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/WebSockets.Server/packages.config b/WebSockets.Server/packages.config
index 6718416..159b47a 100644
--- a/WebSockets.Server/packages.config
+++ b/WebSockets.Server/packages.config
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.4.0-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.8.0-preview.15" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.Http" version="1.4.0-preview.12" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.1.3-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Threading" version="1.0.4-preview.8" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.4.0-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.8.0-preview.17" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.Http" version="1.4.0-preview.13" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.1.3-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Threading" version="1.0.4-preview.10" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.4.244" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/WebSockets/System.Net.WebSockets.nfproj b/WebSockets/System.Net.WebSockets.nfproj
index 4476037..1d594b4 100644
--- a/WebSockets/System.Net.WebSockets.nfproj
+++ b/WebSockets/System.Net.WebSockets.nfproj
@@ -66,31 +66,31 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.12.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.1\lib\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.10.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.4\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.6\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.7\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Collections.1.4.0-preview.9\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.3.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.7\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.1.1.3-preview.9\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.15\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.17\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.Http.1.4.0-preview.12\lib\System.Net.Http.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.Http.1.4.0-preview.13\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading, Version=1.0.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.8\lib\System.Threading.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Threading.1.0.4-preview.10\lib\System.Threading.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/WebSockets/packages.config b/WebSockets/packages.config
index 6718416..159b47a 100644
--- a/WebSockets/packages.config
+++ b/WebSockets/packages.config
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.4.0-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.8.0-preview.15" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.Http" version="1.4.0-preview.12" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.1.3-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Threading" version="1.0.4-preview.8" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.4.0-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.8.0-preview.17" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.Http" version="1.4.0-preview.13" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.1.3-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Threading" version="1.0.4-preview.10" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.4.244" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/nanoframework.System.Net.WebSockets.Client.nuspec b/nanoframework.System.Net.WebSockets.Client.nuspec
index 3353462..206e2d6 100644
--- a/nanoframework.System.Net.WebSockets.Client.nuspec
+++ b/nanoframework.System.Net.WebSockets.Client.nuspec
@@ -20,10 +20,10 @@
 There are also two other packages, one with the server API only and another with the complete API.</description>
     <tags>nanoFramework C# csharp netmf netnf System.Net.WebSockets</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" />
-      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.7" />
-      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.15" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" />
+      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.9" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.17" />
       <dependency id="nanoFramework.System.Text" version="1.1.3-preview.7" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.8" />
     </dependencies>
diff --git a/nanoframework.System.Net.WebSockets.Server.nuspec b/nanoframework.System.Net.WebSockets.Server.nuspec
index 08aa6a0..21d8f08 100644
--- a/nanoframework.System.Net.WebSockets.Server.nuspec
+++ b/nanoframework.System.Net.WebSockets.Server.nuspec
@@ -20,12 +20,12 @@
 There are also two other packages, one with the client API only and another with the complete API.</description>
     <tags>nanoFramework C# csharp netmf netnf System.Net.WebSockets</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" />
-      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.7" />
-      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.15" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" />
+      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.9" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.17" />
       <dependency id="nanoFramework.System.Text" version="1.1.3-preview.7" />
-      <dependency id="nanoFramework.System.Net.Http" version="1.4.0-preview.12" />
+      <dependency id="nanoFramework.System.Net.Http" version="1.4.0-preview.13" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.8" />
     </dependencies>
   </metadata>
diff --git a/nanoframework.System.Net.WebSockets.nuspec b/nanoframework.System.Net.WebSockets.nuspec
index bd42cf8..b5dcdbe 100644
--- a/nanoframework.System.Net.WebSockets.nuspec
+++ b/nanoframework.System.Net.WebSockets.nuspec
@@ -21,12 +21,12 @@ 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 System.Net.WebSockets</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" />
-      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.7" />
-      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.15" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" />
+      <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.9" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.17" />
       <dependency id="nanoFramework.System.Text" version="1.1.3-preview.7" />
-      <dependency id="nanoFramework.System.Net.Http" version="1.4.0-preview.12" />
+      <dependency id="nanoFramework.System.Net.Http" version="1.4.0-preview.13" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.8" />
     </dependencies>
   </metadata>