diff --git a/System.Device.Spi/System.Device.Spi.nfproj b/System.Device.Spi/System.Device.Spi.nfproj
index dd696f620..9b05b054e 100644
--- a/System.Device.Spi/System.Device.Spi.nfproj
+++ b/System.Device.Spi/System.Device.Spi.nfproj
@@ -65,11 +65,11 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.9.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.0-preview.26\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.0-preview.27\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Device.Gpio, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Device.Gpio.1.0.0-preview.41\lib\System.Device.Gpio.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Device.Gpio.1.0.0-preview.42\lib\System.Device.Gpio.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/System.Device.Spi/packages.config b/System.Device.Spi/packages.config
index 7102b1d24..4e3af4287 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="1.10.5-alpha.145.6" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.26" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Gpio" version="1.0.0-preview.41" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.27" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Gpio" version="1.0.0-preview.42" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.4.194" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
index 3b4f74cb9..4832f0363 100644
--- a/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
+++ b/Test/SpiHardwareUnitTests/SpiHardwareUnitTests.nfproj
@@ -36,7 +36,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.9.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.Runtime.Events.1.9.0-preview.26\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.1.9.0-preview.27\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=1.0.122.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
@@ -48,7 +48,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Device.Gpio, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.1.0.0-preview.41\lib\System.Device.Gpio.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Device.Gpio.1.0.0-preview.42\lib\System.Device.Gpio.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/Test/SpiHardwareUnitTests/packages.config b/Test/SpiHardwareUnitTests/packages.config
index 134723e73..c22bf3778 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="1.10.5-alpha.145.6" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.26" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Device.Gpio" version="1.0.0-preview.41" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.27" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Device.Gpio" version="1.0.0-preview.42" targetFramework="netnanoframework10" />
   <package id="nanoFramework.TestFramework" version="1.0.122" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file