diff --git a/Tests/NFUnitTestStringBuilder/NFUnitTestStringBuilder.nfproj b/Tests/NFUnitTestStringBuilder/NFUnitTestStringBuilder.nfproj
index ddc42a0..dba4555 100644
--- a/Tests/NFUnitTestStringBuilder/NFUnitTestStringBuilder.nfproj
+++ b/Tests/NFUnitTestStringBuilder/NFUnitTestStringBuilder.nfproj
@@ -31,14 +31,14 @@
     <Compile Include="StringBuilderTests.cs" />
   </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>
-    <Reference Include="nanoFramework.TestFramework, Version=3.0.67.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.67\lib\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=3.0.68.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.68\lib\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.67\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.68\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/NFUnitTestStringBuilder/packages.config b/Tests/NFUnitTestStringBuilder/packages.config
index 74151e0..324e837 100644
--- a/Tests/NFUnitTestStringBuilder/packages.config
+++ b/Tests/NFUnitTestStringBuilder/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.TestFramework" version="3.0.67" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.CoreLibrary" version="1.17.1" targetFramework="netnano1.0" />
+  <package id="nanoFramework.TestFramework" version="3.0.68" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/NFUnitTestStringBuilder/packages.lock.json b/Tests/NFUnitTestStringBuilder/packages.lock.json
index a7eaa97..510c5a2 100644
--- a/Tests/NFUnitTestStringBuilder/packages.lock.json
+++ b/Tests/NFUnitTestStringBuilder/packages.lock.json
@@ -4,15 +4,15 @@
     ".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=="
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[3.0.67, 3.0.67]",
-        "resolved": "3.0.67",
-        "contentHash": "VMxUKkZlA7chG9fhfCvGTXp7odgPds1GcWOpgDLlWAYKVwPHLEW+MZ3h/FC8JYavo3cReKwu5pUE5CkYl6gN7Q=="
+        "requested": "[3.0.68, 3.0.68]",
+        "resolved": "3.0.68",
+        "contentHash": "K+CKHTFqUW0H46CjkcLOCHcrLJDGmwErisQDXIKvUEgp0gE7rrsAat072aCcjXxojotSwa34hD/NIV4OF7vXgQ=="
       }
     }
   }
diff --git a/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj b/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
index 3efe65c..c505b83 100644
--- a/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
+++ b/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
@@ -26,8 +26,8 @@
     <Compile Include="StringBenchmark.cs" />
   </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>
     <Reference Include="nanoFramework.Benchmark, Version=1.0.97.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Benchmark.1.0.97\lib\nanoFramework.Benchmark.dll</HintPath>
diff --git a/nanoFramework.System.Text.Benchmark/packages.config b/nanoFramework.System.Text.Benchmark/packages.config
index 277652f..2f3cb28 100644
--- a/nanoFramework.System.Text.Benchmark/packages.config
+++ b/nanoFramework.System.Text.Benchmark/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.Benchmark" version="1.0.97" targetFramework="netnano1.0" />
-  <package id="nanoFramework.CoreLibrary" version="1.16.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.17.1" targetFramework="netnano1.0" />
   <package id="nanoFramework.Logging" version="1.1.140" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.8" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.59" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Text.Benchmark/packages.lock.json b/nanoFramework.System.Text.Benchmark/packages.lock.json
index 399ea72..54ded42 100644
--- a/nanoFramework.System.Text.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.Benchmark/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "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=="
       },
       "nanoFramework.Logging": {
         "type": "Direct",
diff --git a/nanoFramework.System.Text.nuspec b/nanoFramework.System.Text.nuspec
index fbb39b8..1a5e202 100644
--- a/nanoFramework.System.Text.nuspec
+++ b/nanoFramework.System.Text.nuspec
@@ -19,7 +19,7 @@
 This package requires a target with System.Text v$nativeVersion$ (checksum $checksum$).</description>
     <tags>nanoFramework C# csharp netmf netnf nanoFramework.System.Text</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.System.Text/nanoFramework.System.Text.nfproj b/nanoFramework.System.Text/nanoFramework.System.Text.nfproj
index 4b04eee..f55e7a1 100644
--- a/nanoFramework.System.Text/nanoFramework.System.Text.nfproj
+++ b/nanoFramework.System.Text/nanoFramework.System.Text.nfproj
@@ -62,8 +62,8 @@
     <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.System.Text/packages.config b/nanoFramework.System.Text/packages.config
index 63b66bd..a24f447 100644
--- a/nanoFramework.System.Text/packages.config
+++ b/nanoFramework.System.Text/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
diff --git a/nanoFramework.System.Text/packages.lock.json b/nanoFramework.System.Text/packages.lock.json
index 1f561cc..7450bf8 100644
--- a/nanoFramework.System.Text/packages.lock.json
+++ b/nanoFramework.System.Text/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",