diff --git a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
index 373bc0d..24baf4b 100644
--- a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
+++ b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
@@ -39,8 +39,8 @@
     <ProjectReference Include="..\..\nanoFramework.System.Text.RegularExpressions\nanoFramework.System.Text.RegularExpressions.nfproj" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.32\lib\netnano1.0\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.TestFramework.dll</HintPath>
diff --git a/Tests/NFUnitTestRegex/packages.config b/Tests/NFUnitTestRegex/packages.config
index a4c64b2..37e6b3b 100644
--- a/Tests/NFUnitTestRegex/packages.config
+++ b/Tests/NFUnitTestRegex/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.32" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/NFUnitTestRegex/packages.lock.json b/Tests/NFUnitTestRegex/packages.lock.json
index 104c482..af373fe 100644
--- a/Tests/NFUnitTestRegex/packages.lock.json
+++ b/Tests/NFUnitTestRegex/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.32, 2.0.0-preview.32]",
-        "resolved": "2.0.0-preview.32",
-        "contentHash": "DZ0CI92bJCTQ+2pGJiRxcqYEzmjMppg2elFZEZCGB6kUPjUoGV8o+NnFb5bn2X0Nl+b+8Wq5BLzGBbn8C05oKQ=="
+        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
+        "resolved": "2.0.0-preview.33",
+        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj b/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
index a2546cb..8cbd67b 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
@@ -28,16 +28,12 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\nanoFramework.System.Text.RegularExpressions\nanoFramework.System.Text.RegularExpressions.nfproj">
-      <Aliases>
-      </Aliases>
+      <Aliases></Aliases>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.32\lib\netnano1.0\mscorlib.dll</HintPath>
-    </Reference>
-    <Reference Include="mscorlib, Version=1.17.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Benchmark, Version=1.0.113.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Benchmark.1.0.113\lib\nanoFramework.Benchmark.dll</HintPath>
@@ -45,14 +41,14 @@
     <Reference Include="nanoFramework.Logging, Version=1.1.161.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Logging.1.1.161\lib\nanoFramework.Logging.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Native">
-      <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.17\lib\nanoFramework.Runtime.Native.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Native, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.18\lib\nanoFramework.Runtime.Native.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections">
-      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.5\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.6\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Text">
-      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.5\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.6\lib\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="System.Diagnostics.Stopwatch, Version=1.2.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Diagnostics.Stopwatch.1.2.862\lib\System.Diagnostics.Stopwatch.dll</HintPath>
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
index 286451c..b0ded72 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.Benchmark" version="1.0.113" targetFramework="netnano1.0" />
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.32" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
   <package id="nanoFramework.Logging" version="1.1.161" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.17" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="2.0.0-preview.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.18" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="2.0.0-preview.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.2.862" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.6" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
index 6253671..94ef9c7 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.32, 2.0.0-preview.32]",
-        "resolved": "2.0.0-preview.32",
-        "contentHash": "DZ0CI92bJCTQ+2pGJiRxcqYEzmjMppg2elFZEZCGB6kUPjUoGV8o+NnFb5bn2X0Nl+b+8Wq5BLzGBbn8C05oKQ=="
+        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
+        "resolved": "2.0.0-preview.33",
+        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
       },
       "nanoFramework.Logging": {
         "type": "Direct",
@@ -22,15 +22,15 @@
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "XkGNYxteY3hXDrKrMuWWejSgWUS4qgkKz+Gc6a8IFgInNuVdaPsdl2cHyCwnHQzzUp454GBZKzvq+YayUGws4A=="
+        "requested": "[2.0.0-preview.18, 2.0.0-preview.18]",
+        "resolved": "2.0.0-preview.18",
+        "contentHash": "+xpG8ru6dGxC9UL/97sAa6uJF0O3Ivgh1UPixMREQxgzLLZFaqpOnij7ZzGuWO7ags2TwEm5pTmlk9AOBpfBkg=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.5, 2.0.0-preview.5]",
-        "resolved": "2.0.0-preview.5",
-        "contentHash": "Ll+n1CU45UYpIkbEppTRRke4VGmNbq0qBmPwtRGsJbqXNi/jYG+t2huTIinpHQXF2r0nhKUY3BLrEX9ZYNK7Sw=="
+        "requested": "[2.0.0-preview.6, 2.0.0-preview.6]",
+        "resolved": "2.0.0-preview.6",
+        "contentHash": "3A1BTu/8db8vlmu/TflJ/TtToyyL0M3fiAHxFNYX02lmOr9XQ3YkYESa9m7yRb9nIBoUZbOhtgf5ufbvdPt5ug=="
       },
       "nanoFramework.System.Diagnostics.Stopwatch": {
         "type": "Direct",
@@ -40,9 +40,9 @@
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.5, 2.0.0-preview.5]",
-        "resolved": "2.0.0-preview.5",
-        "contentHash": "bSok7uDsUnic+RmoYo660XNlQhD631CrpIDUweiJtjuOtsNmwV4bwV28Xs0gpYF4xidYKUEk3nxt5lXU6ekATw=="
+        "requested": "[2.0.0-preview.6, 2.0.0-preview.6]",
+        "resolved": "2.0.0-preview.6",
+        "contentHash": "/A9M9sGW8rsAg6YF81quWV9MvQseKWZodf+pK6lp3Bw12NkXwgwiAo1+9geJQFwDsqi2L9BcLb3IIs/BerGTbQ=="
       }
     }
   }
diff --git a/nanoFramework.System.Text.RegularExpressions.nuspec b/nanoFramework.System.Text.RegularExpressions.nuspec
index c242a99..15c214c 100644
--- a/nanoFramework.System.Text.RegularExpressions.nuspec
+++ b/nanoFramework.System.Text.RegularExpressions.nuspec
@@ -18,9 +18,9 @@
     <description>This package includes the System.Text assembly for .NET nanoFramework C# projects.</description>
     <tags>nanoFramework C# csharp netmf netnf regex</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.32" />
-      <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.5" />
-      <dependency id="nanoFramework.System.Text" version="2.0.0-preview.5" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" />
+      <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.6" />
+      <dependency id="nanoFramework.System.Text" version="2.0.0-preview.6" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
index 22ff4b7..9b197de 100644
--- a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
+++ b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
@@ -60,14 +60,14 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.32\lib\netnano1.0\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.33\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections">
-      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.5\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.6\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Text">
-      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.5\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.6\lib\nanoFramework.System.Text.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.config b/nanoFramework.System.Text.RegularExpressions/packages.config
index 4ce36c0..73676a7 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.config
+++ b/nanoFramework.System.Text.RegularExpressions/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.32" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="2.0.0-preview.5" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.5" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.33" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="2.0.0-preview.6" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.6" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.lock.json b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
index c05c4dc..a3fd606 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
@@ -4,21 +4,21 @@
     ".NETnanoFramework,Version=v1.0": {
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+        "requested": "[2.0.0-preview.33, 2.0.0-preview.33]",
+        "resolved": "2.0.0-preview.33",
+        "contentHash": "VVr+TmThdBt9zzXFzFewB5GUsNm2BE8+/3OtaCiJVg76v0Wr87A0Mi6R74hm78otfIhPJ66aPaRd+fA23dmJjQ=="
       },
       "nanoFramework.System.Collections": {
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-        "requested": "[2.0.0-preview.5, 2.0.0-preview.5]",
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+        "requested": "[2.0.0-preview.6, 2.0.0-preview.6]",
+        "resolved": "2.0.0-preview.6",
+        "contentHash": "3A1BTu/8db8vlmu/TflJ/TtToyyL0M3fiAHxFNYX02lmOr9XQ3YkYESa9m7yRb9nIBoUZbOhtgf5ufbvdPt5ug=="
       },
       "nanoFramework.System.Text": {
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+        "requested": "[2.0.0-preview.6, 2.0.0-preview.6]",
+        "resolved": "2.0.0-preview.6",
+        "contentHash": "/A9M9sGW8rsAg6YF81quWV9MvQseKWZodf+pK6lp3Bw12NkXwgwiAo1+9geJQFwDsqi2L9BcLb3IIs/BerGTbQ=="
       },
       "Nerdbank.GitVersioning": {
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