diff --git a/System.IO.Ports/System.IO.Ports.nfproj b/System.IO.Ports/System.IO.Ports.nfproj
index 99922cf..a42a3ad 100644
--- a/System.IO.Ports/System.IO.Ports.nfproj
+++ b/System.IO.Ports/System.IO.Ports.nfproj
@@ -61,16 +61,16 @@
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     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
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     <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
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   <ItemGroup>
diff --git a/System.IO.Ports/packages.config b/System.IO.Ports/packages.config
index 0b3678b..8f850a8 100644
--- a/System.IO.Ports/packages.config
+++ b/System.IO.Ports/packages.config
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
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-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
+  <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.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="Nerdbank.GitVersioning" version="3.10.94" developmentDependency="true" targetFramework="netnano1.0" />
   <package id="StyleCop.MSBuild" version="6.2.0" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/System.IO.Ports/packages.lock.json b/System.IO.Ports/packages.lock.json
index 896e333..a426321 100644
--- a/System.IO.Ports/packages.lock.json
+++ b/System.IO.Ports/packages.lock.json
@@ -4,27 +4,27 @@
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+        "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",
+        "resolved": "2.0.0-preview.63",
+        "contentHash": "M2qEbjY8Uh5jpgrqDD7vJf2YXk3CmGbTHkb/t6w4F/aNyetOYk0LyekdwUSF0kZ+gTNMH/y6CTHBbJfgtMbIeA=="
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+        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
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+        "requested": "[2.0.0-preview.37, 2.0.0-preview.37]",
+        "resolved": "2.0.0-preview.37",
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diff --git a/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj b/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
index 5a188b7..3a7ad09 100644
--- a/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
+++ b/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
@@ -41,16 +41,16 @@
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-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Hardware.Esp32, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.Hardware.Esp32.2.0.0-preview.12\lib\netnano1.0\nanoFramework.Hardware.Esp32.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.13\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.17\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.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.64\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
@@ -59,7 +59,7 @@
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.64\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</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.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.29\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/UnitTestsSerialPort/packages.config b/Tests/UnitTestsSerialPort/packages.config
index db4c9c0..2f1bd36 100644
--- a/Tests/UnitTestsSerialPort/packages.config
+++ b/Tests/UnitTestsSerialPort/packages.config
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.Hardware.Esp32" version="2.0.0-preview.12" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" 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.TestFramework" version="4.0.0-preview.64" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/UnitTestsSerialPort/packages.lock.json b/Tests/UnitTestsSerialPort/packages.lock.json
index e6b7022..cb4c891 100644
--- a/Tests/UnitTestsSerialPort/packages.lock.json
+++ b/Tests/UnitTestsSerialPort/packages.lock.json
@@ -4,9 +4,9 @@
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+        "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",
+        "resolved": "2.0.0-preview.63",
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@@ -16,21 +16,21 @@
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+        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
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+        "requested": "[2.0.0-preview.29, 2.0.0-preview.29]",
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+        "requested": "[2.0.0-preview.37, 2.0.0-preview.37]",
+        "resolved": "2.0.0-preview.37",
+        "contentHash": "U8Evi6mLwAW8BXlLAZGYXgqqtOO/4XJvnBFomPVsJqyePGnzHBNTpOoNc2UzvjQckOZ3MynHI0GgrY5x8xhAdw=="
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diff --git a/nanoFramework.System.IO.Ports.nuspec b/nanoFramework.System.IO.Ports.nuspec
index fca1a36..95cdc85 100644
--- a/nanoFramework.System.IO.Ports.nuspec
+++ b/nanoFramework.System.IO.Ports.nuspec
@@ -20,9 +20,9 @@ This package requires a target with System.IO.Ports v$nativeVersion$ (checksum $
     <tags>nanoFramework C# csharp netmf netnf System.IO.Ports</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <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.IO.Streams" version="2.0.0-preview.22" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" />
+        <dependency id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" />
       </group>
     </dependencies>
   </metadata>