diff --git a/source/Windows.Storage/Windows.Storage.nfproj b/source/Windows.Storage/Windows.Storage.nfproj
index a549c62..3f216f2 100644
--- a/source/Windows.Storage/Windows.Storage.nfproj
+++ b/source/Windows.Storage/Windows.Storage.nfproj
@@ -51,13 +51,13 @@
     </NFMDP_PE_ExcludeClassByName>
   </ItemGroup>
   <ItemGroup>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.4.1-preview.1\lib\mscorlib.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.5.0-preview.1\lib\mscorlib.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Windows.Storage.Streams.1.8.0-preview.4\lib\Windows.Storage.Streams.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Windows.Storage.Streams.1.8.0-preview.5\lib\Windows.Storage.Streams.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.4.0-preview.4\lib\nanoFramework.Runtime.Events.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.4.1-preview.1\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
   </ItemGroup>
@@ -132,16 +132,16 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.4.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.4.1-preview.1\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.5.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.5.0-preview.1\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Events, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.4.0-preview.4\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=1.4.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.4.1-preview.1\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage.Streams, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Windows.Storage.Streams.1.8.0-preview.4\lib\Windows.Storage.Streams.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Windows.Storage.Streams.1.8.0-preview.5\lib\Windows.Storage.Streams.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/Windows.Storage/packages.config b/source/Windows.Storage/packages.config
index 8b7afaa..8702290 100644
--- a/source/Windows.Storage/packages.config
+++ b/source/Windows.Storage/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.4.1-preview.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.4.0-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.4" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.5.0-preview.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.4.1-preview.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.5" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.13-beta" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/source/nanoFramework.Windows.Storage.DELIVERABLES.nuspec b/source/nanoFramework.Windows.Storage.DELIVERABLES.nuspec
index a3d068b..be0c8ba 100644
--- a/source/nanoFramework.Windows.Storage.DELIVERABLES.nuspec
+++ b/source/nanoFramework.Windows.Storage.DELIVERABLES.nuspec
@@ -18,9 +18,9 @@
     <tags>
     </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.4.1-preview.1" />
-      <dependency id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.4" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.4.0-preview.4" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.5.0-preview.1" />
+      <dependency id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.4.1-preview.1" />
     </dependencies>
   </metadata>
   <files>
diff --git a/source/nanoFramework.Windows.Storage.nuspec b/source/nanoFramework.Windows.Storage.nuspec
index 4dbf557..3828f9c 100644
--- a/source/nanoFramework.Windows.Storage.nuspec
+++ b/source/nanoFramework.Windows.Storage.nuspec
@@ -20,9 +20,9 @@ This package requires a target with nanoFramework.Windows.Storage v$nativeVersio
     <summary>nanoFramework.Windows.Storage assembly for nanoFramework C# projects</summary>
     <tags>nanoFramework C# csharp netmf netnf nanoFramework.Windows.Storage</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.4.1-preview.1" />
-      <dependency id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.4" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.4.0-preview.4" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.5.0-preview.1" />
+      <dependency id="nanoFramework.Windows.Storage.Streams" version="1.8.0-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.4.1-preview.1" />
     </dependencies>
   </metadata>
   <files>