diff --git a/nanoFramework.Hardware.Esp32.DELIVERABLES.nuspec b/nanoFramework.Hardware.Esp32.DELIVERABLES.nuspec
index be1680f..04c4c3d 100644
--- a/nanoFramework.Hardware.Esp32.DELIVERABLES.nuspec
+++ b/nanoFramework.Hardware.Esp32.DELIVERABLES.nuspec
@@ -18,8 +18,8 @@
     <tags>
     </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.8.0-preview.6" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.8.2-preview.1" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.9.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.8.2-preview.3" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.Hardware.Esp32.nuspec b/nanoFramework.Hardware.Esp32.nuspec
index 314f5b1..510a969 100644
--- a/nanoFramework.Hardware.Esp32.nuspec
+++ b/nanoFramework.Hardware.Esp32.nuspec
@@ -20,8 +20,8 @@ This package requires a target with nanoFramework.Hardware.Esp32 v$nativeVersion
     <summary>nanoFramework.Hardware.Esp32 assembly for nanoFramework C# projects</summary>
     <tags>nanoFramework C# csharp netmf netnf esp32</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.8.0-preview.6" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.8.2-preview.1" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.9.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.8.2-preview.3" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.Hardware.Esp32/nanoFramework.Hardware.Esp32.nfproj b/nanoFramework.Hardware.Esp32/nanoFramework.Hardware.Esp32.nfproj
index b7740c9..ee78f40 100644
--- a/nanoFramework.Hardware.Esp32/nanoFramework.Hardware.Esp32.nfproj
+++ b/nanoFramework.Hardware.Esp32/nanoFramework.Hardware.Esp32.nfproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Label="Globals">
     <NanoFrameworkProjectSystemPath>$(MSBuildToolsPath)..\..\..\nanoFramework\v1.0\</NanoFrameworkProjectSystemPath>
@@ -39,10 +39,10 @@
     </NFMDP_PE_ExcludeClassByName>
   </ItemGroup>
   <ItemGroup>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.8.0-preview.6\lib\mscorlib.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.9.0-preview.5\lib\mscorlib.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.2-preview.1\lib\nanoFramework.Runtime.Events.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.2-preview.3\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
   </ItemGroup>
@@ -64,12 +64,12 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.8.0-preview.6\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.9.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.9.0-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.8.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.2-preview.1\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.2-preview.3\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/nanoFramework.Hardware.Esp32/packages.config b/nanoFramework.Hardware.Esp32/packages.config
index fa5f535..04c8058 100644
--- a/nanoFramework.Hardware.Esp32/packages.config
+++ b/nanoFramework.Hardware.Esp32/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.8.0-preview.6" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.8.2-preview.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.9.0-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.8.2-preview.3" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file