diff --git a/Windows.Devices.Gpio/Windows.Devices.Gpio.nfproj b/Windows.Devices.Gpio/Windows.Devices.Gpio.nfproj
index 58c955f..6fe0a2d 100644
--- a/Windows.Devices.Gpio/Windows.Devices.Gpio.nfproj
+++ b/Windows.Devices.Gpio/Windows.Devices.Gpio.nfproj
@@ -84,12 +84,12 @@
     <Content Include="README.txt" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.11.7.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.11.7\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.12.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.12.0-preview.1\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.10.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.1\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.10.0-preview.4\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/Windows.Devices.Gpio/packages.config b/Windows.Devices.Gpio/packages.config
index 744faf9..8ecc6ff 100644
--- a/Windows.Devices.Gpio/packages.config
+++ b/Windows.Devices.Gpio/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.11.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.Windows.Devices.Gpio.nuspec b/nanoFramework.Windows.Devices.Gpio.nuspec
index 7595b91..4d5e069 100644
--- a/nanoFramework.Windows.Devices.Gpio.nuspec
+++ b/nanoFramework.Windows.Devices.Gpio.nuspec
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
   <metadata>
     <id>nanoFramework.Windows.Devices.Gpio</id>
@@ -20,8 +20,8 @@ This package requires a target with Windows.Devices.Gpiov$nativeVersion$.</descr
     <summary>Windows.Devices.Gpio assembly for nanoFramework C# projects</summary>
     <tags>nanoFramework C# csharp netmf netnf Windows.Devices.Gpio</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.11.7" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.1" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" />
     </dependencies>
   </metadata>
   <files>