diff --git a/nanoFramework.Networking.Sntp.nuspec b/nanoFramework.Networking.Sntp.nuspec
index 1c88b5a..ba13dea 100644
--- a/nanoFramework.Networking.Sntp.nuspec
+++ b/nanoFramework.Networking.Sntp.nuspec
@@ -19,7 +19,7 @@
 This package requires a target with nanoFramework.Networking.Sntp v$nativeVersion$ (checksum $checksum$).</description>
     <tags>nanoFramework C# csharp netmf netnf sntp</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.16.11" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.17.1" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.Networking.Sntp/nanoFramework.Networking.Sntp.nfproj b/nanoFramework.Networking.Sntp/nanoFramework.Networking.Sntp.nfproj
index 247fe09..b0b8afc 100644
--- a/nanoFramework.Networking.Sntp/nanoFramework.Networking.Sntp.nfproj
+++ b/nanoFramework.Networking.Sntp/nanoFramework.Networking.Sntp.nfproj
@@ -53,8 +53,8 @@
     <Content Include="packages.lock.json" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.16.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.16.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.17.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.17.1\lib\mscorlib.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.Networking.Sntp/packages.config b/nanoFramework.Networking.Sntp/packages.config
index 63b66bd..2874101 100644
--- a/nanoFramework.Networking.Sntp/packages.config
+++ b/nanoFramework.Networking.Sntp/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.16.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.17.1" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.7.115" developmentDependency="true" targetFramework="netnano1.0" />
-</packages>
\ No newline at end of file
+</packages>
diff --git a/nanoFramework.Networking.Sntp/packages.lock.json b/nanoFramework.Networking.Sntp/packages.lock.json
index 1f561cc..7450bf8 100644
--- a/nanoFramework.Networking.Sntp/packages.lock.json
+++ b/nanoFramework.Networking.Sntp/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.16.11, 1.16.11]",
-        "resolved": "1.16.11",
-        "contentHash": "2XW+Zn0lQ+lOcxDbB1l2ga2rNoj9Jv2IeJwXE4ka1r+swmxn5N/otlMJVEXJgK8trUeD/E8T7+J7dXjU8UReHw=="
+        "requested": "[1.17.1, 1.17.1]",
+        "resolved": "1.17.1",
+        "contentHash": "T/iPvP8AeZs/5UeZgVa2cZVbl79ioeRyBJLzx4qvKbE9RE+984AR5WPY4tjGIdXugs1AFUYYnydvuGCpy+P1ww=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",