diff --git a/source/TestFramework/nanoFramework.TestFramework.nfproj b/source/TestFramework/nanoFramework.TestFramework.nfproj
index 184f719..5d248af 100644
--- a/source/TestFramework/nanoFramework.TestFramework.nfproj
+++ b/source/TestFramework/nanoFramework.TestFramework.nfproj
@@ -56,12 +56,12 @@
     <None Include="key.snk" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.15.6.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.15.5\lib\mscorlib.dll</HintPath>
-    </Reference>
+    <Content Include="packages.lock.json" />
   </ItemGroup>
   <ItemGroup>
-    <Content Include="packages.lock.json" />
+    <Reference Include="mscorlib, Version=1.16.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.16.1\lib\mscorlib.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <Import Project="..\TestFrameworkShared\TestFrameworkShared.projitems" Label="Shared" />
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/source/TestFramework/packages.config b/source/TestFramework/packages.config
index efe8286..8e45ba1 100644
--- a/source/TestFramework/packages.config
+++ b/source/TestFramework/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.15.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.16.1" 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/source/TestFramework/packages.lock.json b/source/TestFramework/packages.lock.json
index 65e5ee1..ea23f63 100644
--- a/source/TestFramework/packages.lock.json
+++ b/source/TestFramework/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.15.5, 1.15.5]",
-        "resolved": "1.15.5",
-        "contentHash": "u2+GvAp1uxLrGdILACAZy+EVKOs28EQ52j8Lz7599egXZ3GBGejjnR2ofhjMQwzrJLlgtyrsx8nSLngDfJNsAg=="
+        "requested": "[1.16.1, 1.16.1]",
+        "resolved": "1.16.1",
+        "contentHash": "pUQR6+CuheWC6UXkiIXhmknPkm50OYuKs6TcIBieV50D1R991QSJUFWjM1AixT/37REh8rzx2OAPgX6YDs06zA=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",
diff --git a/source/UnitTestLauncher/nanoFramework.UnitTestLauncher.nfproj b/source/UnitTestLauncher/nanoFramework.UnitTestLauncher.nfproj
index 5138a11..ee7a476 100644
--- a/source/UnitTestLauncher/nanoFramework.UnitTestLauncher.nfproj
+++ b/source/UnitTestLauncher/nanoFramework.UnitTestLauncher.nfproj
@@ -40,8 +40,8 @@
     <None Include="key.snk" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.15.6.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.15.5\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=1.16.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.16.1\lib\mscorlib.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/source/UnitTestLauncher/packages.config b/source/UnitTestLauncher/packages.config
index e668a28..b86412b 100644
--- a/source/UnitTestLauncher/packages.config
+++ b/source/UnitTestLauncher/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.15.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="1.16.1" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/source/UnitTestLauncher/packages.lock.json b/source/UnitTestLauncher/packages.lock.json
index 24669aa..058edd3 100644
--- a/source/UnitTestLauncher/packages.lock.json
+++ b/source/UnitTestLauncher/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.15.5, 1.15.5]",
-        "resolved": "1.15.5",
-        "contentHash": "u2+GvAp1uxLrGdILACAZy+EVKOs28EQ52j8Lz7599egXZ3GBGejjnR2ofhjMQwzrJLlgtyrsx8nSLngDfJNsAg=="
+        "requested": "[1.16.1, 1.16.1]",
+        "resolved": "1.16.1",
+        "contentHash": "pUQR6+CuheWC6UXkiIXhmknPkm50OYuKs6TcIBieV50D1R991QSJUFWjM1AixT/37REh8rzx2OAPgX6YDs06zA=="
       }
     }
   }