diff --git a/nanoFramework.WebServer.FileSystem.nuspec b/nanoFramework.WebServer.FileSystem.nuspec
index ad302ec..008638b 100644
--- a/nanoFramework.WebServer.FileSystem.nuspec
+++ b/nanoFramework.WebServer.FileSystem.nuspec
@@ -23,7 +23,7 @@ Use this version if you want to serve local files and have support for System.IO
 Otherwise use 'nanoFramework.WebServer' nuget.</description>
     <tags>http https webserver net netmf nf nanoframework</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.14.20" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.14.2" />
       <dependency id="nanoFramework.System.Net.Http.Server" version="1.5.106" />
       <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.23" />
     </dependencies>
diff --git a/nanoFramework.WebServer.FileSystem/nanoFramework.WebServer.FileSystem.nfproj b/nanoFramework.WebServer.FileSystem/nanoFramework.WebServer.FileSystem.nfproj
index 186966f..4076b3f 100644
--- a/nanoFramework.WebServer.FileSystem/nanoFramework.WebServer.FileSystem.nfproj
+++ b/nanoFramework.WebServer.FileSystem/nanoFramework.WebServer.FileSystem.nfproj
@@ -71,8 +71,8 @@
     <None Include="..\key.snk" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.14.20.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.14.20\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.14.3.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.14.2\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.6.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.WebServer.FileSystem/packages.config b/nanoFramework.WebServer.FileSystem/packages.config
index 5f6e7e2..b4c1669 100644
--- a/nanoFramework.WebServer.FileSystem/packages.config
+++ b/nanoFramework.WebServer.FileSystem/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.14.20" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.14.2" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.18" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.FileSystem" version="1.1.23" targetFramework="netnano1.0" />
diff --git a/nanoFramework.WebServer.FileSystem/packages.lock.json b/nanoFramework.WebServer.FileSystem/packages.lock.json
index 78a0fdb..1ce66ca 100644
--- a/nanoFramework.WebServer.FileSystem/packages.lock.json
+++ b/nanoFramework.WebServer.FileSystem/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.14.20, 1.14.20]",
-        "resolved": "1.14.20",
-        "contentHash": "9yfmrvDmByKRwRegqS9vnO+g2Ho+tndTOIIyKlDtbnx6FPEtUVfltNtQ2hDJ7mQzsC/C9mtKukqI+vK++mbuUg=="
+        "requested": "[1.14.2, 1.14.2]",
+        "resolved": "1.14.2",
+        "contentHash": "j1mrz4mitl5LItvmHMsw1aHzCAfvTTgIkRxA0mhs5mSpctJ/BBcuNwua5j3MspfRNKreCQPy/qZy/D9ADLL/PA=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
diff --git a/nanoFramework.WebServer.nuspec b/nanoFramework.WebServer.nuspec
index 00ca297..4860c94 100644
--- a/nanoFramework.WebServer.nuspec
+++ b/nanoFramework.WebServer.nuspec
@@ -21,7 +21,7 @@ If serving files from local storage is a requirement, please use instead the 'na
 </description>
     <tags>http https webserver net netmf nf nanoframework</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.14.20" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.14.2" />
       <dependency id="nanoFramework.System.Net.Http.Server" version="1.5.106" />
     </dependencies>
   </metadata>
diff --git a/nanoFramework.WebServer/nanoFramework.WebServer.nfproj b/nanoFramework.WebServer/nanoFramework.WebServer.nfproj
index ef350a2..c9c11a2 100644
--- a/nanoFramework.WebServer/nanoFramework.WebServer.nfproj
+++ b/nanoFramework.WebServer/nanoFramework.WebServer.nfproj
@@ -47,8 +47,8 @@
     <None Include="..\key.snk" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.14.20.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.14.20\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.14.3.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.14.2\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.6.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/nanoFramework.WebServer/packages.config b/nanoFramework.WebServer/packages.config
index 8a29e30..f7083ff 100644
--- a/nanoFramework.WebServer/packages.config
+++ b/nanoFramework.WebServer/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.14.20" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.14.2" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.18" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.38" targetFramework="netnano1.0" />
diff --git a/nanoFramework.WebServer/packages.lock.json b/nanoFramework.WebServer/packages.lock.json
index c27bb23..1c95165 100644
--- a/nanoFramework.WebServer/packages.lock.json
+++ b/nanoFramework.WebServer/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.14.20, 1.14.20]",
-        "resolved": "1.14.20",
-        "contentHash": "9yfmrvDmByKRwRegqS9vnO+g2Ho+tndTOIIyKlDtbnx6FPEtUVfltNtQ2hDJ7mQzsC/C9mtKukqI+vK++mbuUg=="
+        "requested": "[1.14.2, 1.14.2]",
+        "resolved": "1.14.2",
+        "contentHash": "j1mrz4mitl5LItvmHMsw1aHzCAfvTTgIkRxA0mhs5mSpctJ/BBcuNwua5j3MspfRNKreCQPy/qZy/D9ADLL/PA=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",