diff --git a/System.Device.Spi/System.Device.Spi.nfproj b/System.Device.Spi/System.Device.Spi.nfproj
index 04e36bcc..8592ca76 100644
--- a/System.Device.Spi/System.Device.Spi.nfproj
+++ b/System.Device.Spi/System.Device.Spi.nfproj
@@ -60,13 +60,13 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\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.11\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.12\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="System.Device.Gpio, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.14\lib\netnano1.0\System.Device.Gpio.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.16\lib\netnano1.0\System.Device.Gpio.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/System.Device.Spi/packages.config b/System.Device.Spi/packages.config
index ac2ee45c..fca9e538 100644
--- a/System.Device.Spi/packages.config
+++ b/System.Device.Spi/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.14" targetFramework="netnano1.0" />
+  <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.System.Device.Gpio" version="2.0.0-preview.16" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/System.Device.Spi/packages.lock.json b/System.Device.Spi/packages.lock.json
index b99fbaab..00da1679 100644
--- a/System.Device.Spi/packages.lock.json
+++ b/System.Device.Spi/packages.lock.json
@@ -4,21 +4,21 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.43, 2.0.0-preview.43]",
-        "resolved": "2.0.0-preview.43",
-        "contentHash": "ijOdswxNI+zhN7MrRMjJPe7pAVhqARvpEOFKUKH6D18NUS3CCQ9+IoyVs3zJhmmBk53YmAErFAdCnAWLVxUu8Q=="
+        "requested": "[2.0.0-preview.49, 2.0.0-preview.49]",
+        "resolved": "2.0.0-preview.49",
+        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.11, 2.0.0-preview.11]",
-        "resolved": "2.0.0-preview.11",
-        "contentHash": "kv+GggxqjVYdv58LRJCF0r0ElZLouYuCKNea++oySdvjyHndK6/3Yb74DWKB7AeW61zR9AP0hJIuBI8GzX6qEQ=="
+        "requested": "[2.0.0-preview.12, 2.0.0-preview.12]",
+        "resolved": "2.0.0-preview.12",
+        "contentHash": "49clC9iMibQ7Sm73xShGsKqjee54JZ7QGuxys1wPkG2tvHIziGtb51U+RxdfdVGz/UtSv9q5ebqo0IYlk7BFxw=="
       },
       "nanoFramework.System.Device.Gpio": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.14, 2.0.0-preview.14]",
-        "resolved": "2.0.0-preview.14",
-        "contentHash": "33Wy7eVH7nWeTmBH2VIKJTYrGf86j1cd4fX/cNskocZTcm2fnny/6JmLMd5Zjwx7xNueLSUany7Gs3+KBi2PSg=="
+        "requested": "[2.0.0-preview.16, 2.0.0-preview.16]",
+        "resolved": "2.0.0-preview.16",
+        "contentHash": "oSoyUMMOi202IYQevE2D3s4/skiNgflkEubHWv6PK5E8Qh15/GywOSRhSOBs8Ec4NrK/ZDuNi5hV+3j7D+76rQ=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",
diff --git a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
index cceb063d..7d589bb1 100644
--- a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
+++ b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
@@ -40,10 +40,10 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\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.11\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.12\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.TestFramework.dll</HintPath>
@@ -52,7 +52,7 @@
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.Device.Gpio, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.14\lib\netnano1.0\System.Device.Gpio.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.16\lib\netnano1.0\System.Device.Gpio.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Test/SpiHardwareUnitTests/packages.config b/Test/SpiHardwareUnitTests/packages.config
index 51874c04..bb750548 100644
--- a/Test/SpiHardwareUnitTests/packages.config
+++ b/Test/SpiHardwareUnitTests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.14" targetFramework="netnano1.0" />
+  <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.System.Device.Gpio" version="2.0.0-preview.16" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.52" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Test/SpiHardwareUnitTests/packages.lock.json b/Test/SpiHardwareUnitTests/packages.lock.json
index 3d6f0a05..a0abebf2 100644
--- a/Test/SpiHardwareUnitTests/packages.lock.json
+++ b/Test/SpiHardwareUnitTests/packages.lock.json
@@ -4,21 +4,21 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.43, 2.0.0-preview.43]",
-        "resolved": "2.0.0-preview.43",
-        "contentHash": "ijOdswxNI+zhN7MrRMjJPe7pAVhqARvpEOFKUKH6D18NUS3CCQ9+IoyVs3zJhmmBk53YmAErFAdCnAWLVxUu8Q=="
+        "requested": "[2.0.0-preview.49, 2.0.0-preview.49]",
+        "resolved": "2.0.0-preview.49",
+        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.11, 2.0.0-preview.11]",
-        "resolved": "2.0.0-preview.11",
-        "contentHash": "kv+GggxqjVYdv58LRJCF0r0ElZLouYuCKNea++oySdvjyHndK6/3Yb74DWKB7AeW61zR9AP0hJIuBI8GzX6qEQ=="
+        "requested": "[2.0.0-preview.12, 2.0.0-preview.12]",
+        "resolved": "2.0.0-preview.12",
+        "contentHash": "49clC9iMibQ7Sm73xShGsKqjee54JZ7QGuxys1wPkG2tvHIziGtb51U+RxdfdVGz/UtSv9q5ebqo0IYlk7BFxw=="
       },
       "nanoFramework.System.Device.Gpio": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.14, 2.0.0-preview.14]",
-        "resolved": "2.0.0-preview.14",
-        "contentHash": "33Wy7eVH7nWeTmBH2VIKJTYrGf86j1cd4fX/cNskocZTcm2fnny/6JmLMd5Zjwx7xNueLSUany7Gs3+KBi2PSg=="
+        "requested": "[2.0.0-preview.16, 2.0.0-preview.16]",
+        "resolved": "2.0.0-preview.16",
+        "contentHash": "oSoyUMMOi202IYQevE2D3s4/skiNgflkEubHWv6PK5E8Qh15/GywOSRhSOBs8Ec4NrK/ZDuNi5hV+3j7D+76rQ=="
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
diff --git a/nanoFramework.System.Device.Spi.nuspec b/nanoFramework.System.Device.Spi.nuspec
index 02cca478..89d0d056 100644
--- a/nanoFramework.System.Device.Spi.nuspec
+++ b/nanoFramework.System.Device.Spi.nuspec
@@ -20,9 +20,9 @@ This package requires a target with System.Device.Spi v$nativeVersion$ (checksum
     <tags>nanoFramework C# csharp netmf netnf System.Device.Spi</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" />
-        <dependency id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.14" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.12" />
+        <dependency id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.16" />
       </group>
     </dependencies>
   </metadata>