diff --git a/System.Device.Spi/System.Device.Spi.nfproj b/System.Device.Spi/System.Device.Spi.nfproj
index 3a9ba093..d69704aa 100644
--- a/System.Device.Spi/System.Device.Spi.nfproj
+++ b/System.Device.Spi/System.Device.Spi.nfproj
@@ -59,14 +59,14 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.29\lib\netnano1.0\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.30\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Events">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.1\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.5\lib\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
-    <Reference Include="System.Device.Gpio">
-      <HintPath>..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.1\lib\System.Device.Gpio.dll</HintPath>
+    <Reference Include="System.Device.Gpio, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.3\lib\System.Device.Gpio.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/System.Device.Spi/packages.config b/System.Device.Spi/packages.config
index f07987d9..b1d36a44 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.29" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.1" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.1" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.30" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.3" 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 57fbe83c..77cfa7b0 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.29, 2.0.0-preview.29]",
-        "resolved": "2.0.0-preview.29",
-        "contentHash": "7NDp9Sda9FTFBDN//X34r23rJBHUkCvyGvrFh9s5B8H2nMoet4J0OlEOiZRUsEPBXlsNpZFVp+Cd6OSjnLSg5A=="
+        "requested": "[2.0.0-preview.30, 2.0.0-preview.30]",
+        "resolved": "2.0.0-preview.30",
+        "contentHash": "Fz+5L0yOpe0ZoBpVRqH8G8Dr18OoXVE6sKertR/bPuWyOJiO42enlarudfv91/gpJXFkQGNCCdXpHWpoc77jyg=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.1, 2.0.0-preview.1]",
-        "resolved": "2.0.0-preview.1",
-        "contentHash": "MrhfHe/2pDKkXe79+L/tX4rg+lV6Z+HkcJBbjUQx2oHOwYgh74kEli8I7KnOv00rwaIPuj2BeYeW6jh6kxOZXg=="
+        "requested": "[2.0.0-preview.5, 2.0.0-preview.5]",
+        "resolved": "2.0.0-preview.5",
+        "contentHash": "NmmnwN/vEYEC94nL9nNqh0C5/BrLF60DzIzRsnGNACkpSJ+JSQYPsz3wgti1r7OhvgEprTjPeO3Fc7XGw/2Y8w=="
       },
       "nanoFramework.System.Device.Gpio": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.1, 2.0.0-preview.1]",
-        "resolved": "2.0.0-preview.1",
-        "contentHash": "ow13cXk4reer/m2lT9jQkv91o2ptsI7CxuG3IU+vP84K3yt6rBRQEHaQrFTSkMWy0yIUn1BVlUDgWgQPNkcl5w=="
+        "requested": "[2.0.0-preview.3, 2.0.0-preview.3]",
+        "resolved": "2.0.0-preview.3",
+        "contentHash": "lpdXnsx+Hp/0Hg+BuGjNaxBW1HjkqxX37qe8lGLknpPYcLDxiLi6tmyHf2das9nBGUD3NCL10j0fa+REjkhf8g=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",
diff --git a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
index 507dd403..e8ae81bd 100644
--- a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
+++ b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
@@ -39,11 +39,11 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.29\lib\netnano1.0\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.30\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Events">
-      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.1\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.5\lib\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.45\lib\nanoFramework.TestFramework.dll</HintPath>
@@ -51,8 +51,8 @@
     <Reference Include="nanoFramework.UnitTestLauncher">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.45\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
-    <Reference Include="System.Device.Gpio">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.1\lib\System.Device.Gpio.dll</HintPath>
+    <Reference Include="System.Device.Gpio, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.2.0.0-preview.3\lib\System.Device.Gpio.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Test/SpiHardwareUnitTests/packages.config b/Test/SpiHardwareUnitTests/packages.config
index 6fe0ead3..528caeb9 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.29" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.1" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.1" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.30" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.3" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.45" 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 50f22c2d..4da98681 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.29, 2.0.0-preview.29]",
-        "resolved": "2.0.0-preview.29",
-        "contentHash": "7NDp9Sda9FTFBDN//X34r23rJBHUkCvyGvrFh9s5B8H2nMoet4J0OlEOiZRUsEPBXlsNpZFVp+Cd6OSjnLSg5A=="
+        "requested": "[2.0.0-preview.30, 2.0.0-preview.30]",
+        "resolved": "2.0.0-preview.30",
+        "contentHash": "Fz+5L0yOpe0ZoBpVRqH8G8Dr18OoXVE6sKertR/bPuWyOJiO42enlarudfv91/gpJXFkQGNCCdXpHWpoc77jyg=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.1, 2.0.0-preview.1]",
-        "resolved": "2.0.0-preview.1",
-        "contentHash": "MrhfHe/2pDKkXe79+L/tX4rg+lV6Z+HkcJBbjUQx2oHOwYgh74kEli8I7KnOv00rwaIPuj2BeYeW6jh6kxOZXg=="
+        "requested": "[2.0.0-preview.5, 2.0.0-preview.5]",
+        "resolved": "2.0.0-preview.5",
+        "contentHash": "NmmnwN/vEYEC94nL9nNqh0C5/BrLF60DzIzRsnGNACkpSJ+JSQYPsz3wgti1r7OhvgEprTjPeO3Fc7XGw/2Y8w=="
       },
       "nanoFramework.System.Device.Gpio": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.1, 2.0.0-preview.1]",
-        "resolved": "2.0.0-preview.1",
-        "contentHash": "ow13cXk4reer/m2lT9jQkv91o2ptsI7CxuG3IU+vP84K3yt6rBRQEHaQrFTSkMWy0yIUn1BVlUDgWgQPNkcl5w=="
+        "requested": "[2.0.0-preview.3, 2.0.0-preview.3]",
+        "resolved": "2.0.0-preview.3",
+        "contentHash": "lpdXnsx+Hp/0Hg+BuGjNaxBW1HjkqxX37qe8lGLknpPYcLDxiLi6tmyHf2das9nBGUD3NCL10j0fa+REjkhf8g=="
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
diff --git a/nanoFramework.System.Device.Spi.nuspec b/nanoFramework.System.Device.Spi.nuspec
index dfe29935..01b01d63 100644
--- a/nanoFramework.System.Device.Spi.nuspec
+++ b/nanoFramework.System.Device.Spi.nuspec
@@ -19,9 +19,9 @@
 This package requires a target with System.Device.Spi v$nativeVersion$ (checksum $checksum$).</description>
     <tags>nanoFramework C# csharp netmf netnf System.Device.Spi</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.29" />
-      <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.1" />
-      <dependency id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.1" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.30" />
+      <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.5" />
+      <dependency id="nanoFramework.System.Device.Gpio" version="2.0.0-preview.3" />
     </dependencies>
   </metadata>
   <files>
@@ -35,4 +35,4 @@ This package requires a target with System.Device.Spi v$nativeVersion$ (checksum
     <file src="assets\nf-logo.png" target="images" />
     <file src="LICENSE.md" target="" />
   </files>
-</package>
+</package>
\ No newline at end of file