diff --git a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
index 52349c7..5b0929f 100644
--- a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
+++ b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
@@ -40,7 +40,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
diff --git a/Tests/NFUnitTestRegex/packages.config b/Tests/NFUnitTestRegex/packages.config
index ebdc822..69c3999 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.49" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" 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 8684d03..3e79e5d 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.49, 2.0.0-preview.49]",
-        "resolved": "2.0.0-preview.49",
-        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
+        "requested": "[2.0.0-preview.52, 2.0.0-preview.52]",
+        "resolved": "2.0.0-preview.52",
+        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
       },
       "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 8c21f56..0930b65 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
@@ -33,13 +33,13 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Benchmark, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Benchmark.2.0.0-preview.1\lib\netnano1.0\nanoFramework.Benchmark.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Logging.2.0.0-preview.21\lib\netnano1.0\nanoFramework.Logging.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Logging.2.0.0-preview.24\lib\netnano1.0\nanoFramework.Logging.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Native, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.24\lib\netnano1.0\nanoFramework.Runtime.Native.dll</HintPath>
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
index 72fea3e..4c4d620 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.Benchmark" version="2.0.0-preview.1" targetFramework="netnano1.0" />
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Logging" version="2.0.0-preview.21" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Logging" version="2.0.0-preview.24" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.24" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="2.0.0-preview.59" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
index 174cd8c..eb21703 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
@@ -10,15 +10,15 @@
       },
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.49, 2.0.0-preview.49]",
-        "resolved": "2.0.0-preview.49",
-        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
+        "requested": "[2.0.0-preview.52, 2.0.0-preview.52]",
+        "resolved": "2.0.0-preview.52",
+        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
       },
       "nanoFramework.Logging": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.21, 2.0.0-preview.21]",
-        "resolved": "2.0.0-preview.21",
-        "contentHash": "nu+9/LCoFTkYbEg+fo3qIIlOk6Tli89klhH8MAPi0++jj/ycTNmPVhAPhfwaKx5xCskxs+4v4xiheIxAaOaFmw=="
+        "requested": "[2.0.0-preview.24, 2.0.0-preview.24]",
+        "resolved": "2.0.0-preview.24",
+        "contentHash": "FVcYj9ttODjgvEYE/a3g4NvJ5s9BmgaSCowaqqAgrtKSU5p2RB1SkskP9KJFgyXug71a3Q/uaDgwO8EuaR1MfA=="
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",
diff --git a/nanoFramework.System.Text.RegularExpressions.nuspec b/nanoFramework.System.Text.RegularExpressions.nuspec
index 09f6998..601a123 100644
--- a/nanoFramework.System.Text.RegularExpressions.nuspec
+++ b/nanoFramework.System.Text.RegularExpressions.nuspec
@@ -19,7 +19,7 @@
     <tags>nanoFramework C# csharp netmf netnf regex</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
         <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
         <dependency id="nanoFramework.System.Text" version="2.0.0-preview.18" />
       </group>
diff --git a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
index b5e4a8c..febde55 100644
--- a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
+++ b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
@@ -61,7 +61,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.49\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.config b/nanoFramework.System.Text.RegularExpressions/packages.config
index 7154ea0..f6b6b4b 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.config
+++ b/nanoFramework.System.Text.RegularExpressions/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.49" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.18" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.lock.json b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
index 135fce8..e197095 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
@@ -4,9 +4,9 @@
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         "type": "Direct",
-        "requested": "[2.0.0-preview.49, 2.0.0-preview.49]",
-        "resolved": "2.0.0-preview.49",
-        "contentHash": "/8/fw1qqEql05aelTR9QQi4ZF2M+Mdwuemjf9rul8yaOpl6jjnhhKfdRJMh4+BXp5VjwTZsALJVpp2aN+e7vzw=="
+        "requested": "[2.0.0-preview.52, 2.0.0-preview.52]",
+        "resolved": "2.0.0-preview.52",
+        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",