diff --git a/System.IO.Streams/System.IO.Streams.nfproj b/System.IO.Streams/System.IO.Streams.nfproj
index 1e6d115..5d90670 100644
--- a/System.IO.Streams/System.IO.Streams.nfproj
+++ b/System.IO.Streams/System.IO.Streams.nfproj
@@ -54,7 +54,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.35\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.6\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/System.IO.Streams/packages.config b/System.IO.Streams/packages.config
index 0b8e90b..fb1a1ad 100644
--- a/System.IO.Streams/packages.config
+++ b/System.IO.Streams/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.6" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/System.IO.Streams/packages.lock.json b/System.IO.Streams/packages.lock.json
index dc628aa..87efce6 100644
--- a/System.IO.Streams/packages.lock.json
+++ b/System.IO.Streams/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
-        "resolved": "2.0.0-preview.33",
-        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
+        "requested": "[2.0.0-preview.35, 2.0.0-preview.35]",
+        "resolved": "2.0.0-preview.35",
+        "contentHash": "l3LZs5zLeYKP+21DmVykOBWQvcLWOzgOls2JU6R2mRb2cz1+SitRCaEC5bTEJHs888JdHi3xWMVe3GkRzZ/2Lg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/UnitTests/MemoryStreamUnitTests/MemoryStreamUnitTests.nfproj b/UnitTests/MemoryStreamUnitTests/MemoryStreamUnitTests.nfproj
index 88aab75..bc0aec8 100644
--- a/UnitTests/MemoryStreamUnitTests/MemoryStreamUnitTests.nfproj
+++ b/UnitTests/MemoryStreamUnitTests/MemoryStreamUnitTests.nfproj
@@ -47,7 +47,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.35\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.6\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/UnitTests/MemoryStreamUnitTests/packages.config b/UnitTests/MemoryStreamUnitTests/packages.config
index 5ca7fce..d10a451 100644
--- a/UnitTests/MemoryStreamUnitTests/packages.config
+++ b/UnitTests/MemoryStreamUnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/UnitTests/MemoryStreamUnitTests/packages.lock.json b/UnitTests/MemoryStreamUnitTests/packages.lock.json
index 105f877..706e6fc 100644
--- a/UnitTests/MemoryStreamUnitTests/packages.lock.json
+++ b/UnitTests/MemoryStreamUnitTests/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
-        "resolved": "2.0.0-preview.33",
-        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
+        "requested": "[2.0.0-preview.35, 2.0.0-preview.35]",
+        "resolved": "2.0.0-preview.35",
+        "contentHash": "l3LZs5zLeYKP+21DmVykOBWQvcLWOzgOls2JU6R2mRb2cz1+SitRCaEC5bTEJHs888JdHi3xWMVe3GkRzZ/2Lg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/UnitTests/StreamReaderWriterUnitTests/StreamReaderWriterUnitTests.nfproj b/UnitTests/StreamReaderWriterUnitTests/StreamReaderWriterUnitTests.nfproj
index 923ed6a..98824d3 100644
--- a/UnitTests/StreamReaderWriterUnitTests/StreamReaderWriterUnitTests.nfproj
+++ b/UnitTests/StreamReaderWriterUnitTests/StreamReaderWriterUnitTests.nfproj
@@ -32,7 +32,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.35\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.6\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/UnitTests/StreamReaderWriterUnitTests/packages.config b/UnitTests/StreamReaderWriterUnitTests/packages.config
index 5ca7fce..d10a451 100644
--- a/UnitTests/StreamReaderWriterUnitTests/packages.config
+++ b/UnitTests/StreamReaderWriterUnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/UnitTests/StreamReaderWriterUnitTests/packages.lock.json b/UnitTests/StreamReaderWriterUnitTests/packages.lock.json
index 105f877..706e6fc 100644
--- a/UnitTests/StreamReaderWriterUnitTests/packages.lock.json
+++ b/UnitTests/StreamReaderWriterUnitTests/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
-        "resolved": "2.0.0-preview.33",
-        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
+        "requested": "[2.0.0-preview.35, 2.0.0-preview.35]",
+        "resolved": "2.0.0-preview.35",
+        "contentHash": "l3LZs5zLeYKP+21DmVykOBWQvcLWOzgOls2JU6R2mRb2cz1+SitRCaEC5bTEJHs888JdHi3xWMVe3GkRzZ/2Lg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/nanoFramework.System.IO.Streams.nuspec b/nanoFramework.System.IO.Streams.nuspec
index 18def12..ed248c1 100644
--- a/nanoFramework.System.IO.Streams.nuspec
+++ b/nanoFramework.System.IO.Streams.nuspec
@@ -18,7 +18,7 @@
     <description>This package includes the System.IO.Streams assembly for .NET nanoFramework C# projects.</description>
     <tags>nanoFramework C# csharp netmf netnf </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" />
       <dependency id="nanoFramework.System.Text" version="2.0.0-preview.6" />
     </dependencies>
   </metadata>