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index dafa75d..270015f 100644
--- a/Tests/HashtableTests/HashtableTests.nfproj
+++ b/Tests/HashtableTests/HashtableTests.nfproj
@@ -33,14 +33,14 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.67\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.68\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
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diff --git a/Tests/HashtableTests/packages.config b/Tests/HashtableTests/packages.config
index 74151e0..324e837 100644
--- a/Tests/HashtableTests/packages.config
+++ b/Tests/HashtableTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
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-  <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>
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diff --git a/Tests/HashtableTests/packages.lock.json b/Tests/HashtableTests/packages.lock.json
index a7eaa97..510c5a2 100644
--- a/Tests/HashtableTests/packages.lock.json
+++ b/Tests/HashtableTests/packages.lock.json
@@ -4,15 +4,15 @@
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diff --git a/Tests/QueueTests/QueueTests.nfproj b/Tests/QueueTests/QueueTests.nfproj
index 47e25cd..38a9cc2 100644
--- a/Tests/QueueTests/QueueTests.nfproj
+++ b/Tests/QueueTests/QueueTests.nfproj
@@ -31,14 +31,14 @@
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+    <Reference Include="mscorlib, Version=1.17.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.17.1\lib\mscorlib.dll</HintPath>
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-      <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>
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     <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>
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diff --git a/Tests/QueueTests/packages.config b/Tests/QueueTests/packages.config
index 74151e0..324e837 100644
--- a/Tests/QueueTests/packages.config
+++ b/Tests/QueueTests/packages.config
@@ -1,5 +1,5 @@
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-  <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>
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diff --git a/Tests/QueueTests/packages.lock.json b/Tests/QueueTests/packages.lock.json
index a7eaa97..510c5a2 100644
--- a/Tests/QueueTests/packages.lock.json
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@@ -4,15 +4,15 @@
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diff --git a/Tests/StackTests/StackTests.nfproj b/Tests/StackTests/StackTests.nfproj
index 8f20234..5178b9b 100644
--- a/Tests/StackTests/StackTests.nfproj
+++ b/Tests/StackTests/StackTests.nfproj
@@ -33,14 +33,14 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.67\lib\nanoFramework.TestFramework.dll</HintPath>
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+      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.68\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
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diff --git a/Tests/StackTests/packages.config b/Tests/StackTests/packages.config
index 74151e0..324e837 100644
--- a/Tests/StackTests/packages.config
+++ b/Tests/StackTests/packages.config
@@ -1,5 +1,5 @@
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 <packages>
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+  <package id="nanoFramework.CoreLibrary" version="1.17.1" targetFramework="netnano1.0" />
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 </packages>
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diff --git a/Tests/StackTests/packages.lock.json b/Tests/StackTests/packages.lock.json
index a7eaa97..510c5a2 100644
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diff --git a/nanoFramework.System.Collections.nuspec b/nanoFramework.System.Collections.nuspec
index ddd7dbc..2c94437 100644
--- a/nanoFramework.System.Collections.nuspec
+++ b/nanoFramework.System.Collections.nuspec
@@ -19,7 +19,7 @@
 This package requires a target with System.Collections v$nativeVersion$ (checksum $checksum$).</description>
     <tags>nanoFramework C# csharp netmf netnf </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.16.11" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.17.1" />
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   </metadata>
   <files>
diff --git a/nanoFramework.System.Collections/nanoFramework.System.Collections.nfproj b/nanoFramework.System.Collections/nanoFramework.System.Collections.nfproj
index 3babbb2..ed5fae9 100644
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+++ b/nanoFramework.System.Collections/nanoFramework.System.Collections.nfproj
@@ -63,8 +63,8 @@
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diff --git a/nanoFramework.System.Collections/packages.config b/nanoFramework.System.Collections/packages.config
index 63b66bd..a24f447 100644
--- a/nanoFramework.System.Collections/packages.config
+++ b/nanoFramework.System.Collections/packages.config
@@ -1,5 +1,5 @@
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 <packages>
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