diff --git a/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj b/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
index 4e4c09c1..dd502e6b 100644
--- a/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
+++ b/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
@@ -50,7 +50,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.0.0-preview.22\lib\nanoFramework.System.Text.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
   </ItemGroup>
@@ -161,7 +161,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.4.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/nanoFramework.System.Net.Http-client/packages.config b/source/nanoFramework.System.Net.Http-client/packages.config
index e16000ca..f9f775fd 100644
--- a/source/nanoFramework.System.Net.Http-client/packages.config
+++ b/source/nanoFramework.System.Net.Http-client/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.7.3-preview.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.0.1-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.4.1-preview.20" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.4.1-preview.21" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.0.0-preview.22" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.68" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj b/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
index 844ab3ba..b32f69df 100644
--- a/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
+++ b/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
@@ -50,7 +50,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.0.0-preview.22\lib\nanoFramework.System.Text.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
   </ItemGroup>
@@ -155,7 +155,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.4.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/nanoFramework.System.Net.Http-server/packages.config b/source/nanoFramework.System.Net.Http-server/packages.config
index e16000ca..f9f775fd 100644
--- a/source/nanoFramework.System.Net.Http-server/packages.config
+++ b/source/nanoFramework.System.Net.Http-server/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.7.3-preview.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.0.1-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.4.1-preview.20" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.4.1-preview.21" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.0.0-preview.22" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.68" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/source/nanoFramework.System.Net.Http.Client.nuspec b/source/nanoFramework.System.Net.Http.Client.nuspec
index 0b5fb99e..d7a09909 100644
--- a/source/nanoFramework.System.Net.Http.Client.nuspec
+++ b/source/nanoFramework.System.Net.Http.Client.nuspec
@@ -27,7 +27,7 @@ There is also a package with the server API only and another with the full API.
       <dependency id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" />
       <dependency id="nanoFramework.System.Collections" version="1.0.1-preview.7" />
       <dependency id="nanoFramework.System.Text" version="1.0.0-preview.22" />
-      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.20" />
+      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.21" />
     </dependencies>
   </metadata>
   <files>
diff --git a/source/nanoFramework.System.Net.Http.Server.nuspec b/source/nanoFramework.System.Net.Http.Server.nuspec
index 005c2694..998a3e62 100644
--- a/source/nanoFramework.System.Net.Http.Server.nuspec
+++ b/source/nanoFramework.System.Net.Http.Server.nuspec
@@ -27,7 +27,7 @@ There is also a package with the client API only and another with the full API.
       <dependency id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" />
       <dependency id="nanoFramework.System.Collections" version="1.0.1-preview.7" />
       <dependency id="nanoFramework.System.Text" version="1.0.0-preview.22" />
-      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.20" />
+      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.21" />
     </dependencies>
   </metadata>
   <files>
diff --git a/source/nanoFramework.System.Net.Http.nuspec b/source/nanoFramework.System.Net.Http.nuspec
index 01438714..85bec2cb 100644
--- a/source/nanoFramework.System.Net.Http.nuspec
+++ b/source/nanoFramework.System.Net.Http.nuspec
@@ -28,7 +28,7 @@ There are also two other packages with just the client API and just the server A
       <dependency id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" />
       <dependency id="nanoFramework.System.Collections" version="1.0.1-preview.7" />
       <dependency id="nanoFramework.System.Text" version="1.0.0-preview.22" />
-      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.20" />
+      <dependency id="nanoFramework.System.Net" version="1.4.1-preview.21" />
     </dependencies>
   </metadata>
   <files>
diff --git a/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index e0d9805d..7e89b7b7 100644
--- a/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -50,7 +50,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.0.0-preview.22\lib\nanoFramework.System.Text.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
   </ItemGroup>
@@ -109,7 +109,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.4.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.20\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.4.1-preview.21\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/nanoFramework.System.Net.Http/packages.config b/source/nanoFramework.System.Net.Http/packages.config
index e16000ca..f9f775fd 100644
--- a/source/nanoFramework.System.Net.Http/packages.config
+++ b/source/nanoFramework.System.Net.Http/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.7.3-preview.4" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.4.2-preview.8" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.0.1-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.4.1-preview.20" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.4.1-preview.21" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.0.0-preview.22" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.68" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file