diff --git a/source/Test/nanoFramework/Test.nfproj b/source/Test/nanoFramework/Test.nfproj
index b24bcc7..145cd9d 100644
--- a/source/Test/nanoFramework/Test.nfproj
+++ b/source/Test/nanoFramework/Test.nfproj
@@ -29,15 +29,15 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.7.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.7.2-preview.4\lib\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.7.2-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.0.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Collections.1.0.1-preview.3\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Collections.1.0.1-preview.4\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Text.1.0.0-preview.13\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.System.Text.1.0.0-preview.14\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/Test/nanoFramework/packages.config b/source/Test/nanoFramework/packages.config
index f4655ad..3e51487 100644
--- a/source/Test/nanoFramework/packages.config
+++ b/source/Test/nanoFramework/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.7.2-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.0.1-preview.3" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.0.0-preview.13" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.7.2-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.0.1-preview.4" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.0.0-preview.14" targetFramework="netnanoframework10" />
 </packages>
\ No newline at end of file
diff --git a/source/nanoFramework.Json/nanoFramework.Json.nfproj b/source/nanoFramework.Json/nanoFramework.Json.nfproj
index 989be9e..a2d52cb 100644
--- a/source/nanoFramework.Json/nanoFramework.Json.nfproj
+++ b/source/nanoFramework.Json/nanoFramework.Json.nfproj
@@ -57,15 +57,15 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.7.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.7.2-preview.4\lib\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.7.2-preview.5\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.0.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.0.1-preview.3\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Collections.1.0.1-preview.4\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.0.0-preview.13\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.1.0.0-preview.14\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
diff --git a/source/nanoFramework.Json/packages.config b/source/nanoFramework.Json/packages.config
index 7b3917b..0fc276a 100644
--- a/source/nanoFramework.Json/packages.config
+++ b/source/nanoFramework.Json/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.7.2-preview.4" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.0.1-preview.3" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.0.0-preview.13" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.7.2-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.0.1-preview.4" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.0.0-preview.14" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.13-beta" targetFramework="netnanoframework10" developmentDependency="true" />
 </packages>
\ No newline at end of file