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 231bd80..983c05c 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
@@ -36,10 +36,10 @@
       <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.3\lib\netnano1.0\nanoFramework.Benchmark.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Benchmark.2.0.0-preview.4\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.30\lib\netnano1.0\nanoFramework.Logging.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Logging.2.0.0-preview.31\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.25\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 5f72297..6bc8f81 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.3" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Benchmark" version="2.0.0-preview.4" 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.30" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Logging" version="2.0.0-preview.31" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.25" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.15" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="2.0.0-preview.82" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
index eb2448b..213c03c 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.Benchmark": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.3, 2.0.0-preview.3]",
-        "resolved": "2.0.0-preview.3",
-        "contentHash": "CDf3BkHAgm4vYrhbkqYRbP629rXVN7c6R1WyQRro+TBhqXHFVhI4VkRDZ2GWFSaO58GuBo5YKwrkAqXtddxpjA=="
+        "requested": "[2.0.0-preview.4, 2.0.0-preview.4]",
+        "resolved": "2.0.0-preview.4",
+        "contentHash": "lF90YYtVQf2Pyu2GWwBoiuWRerWnp7hXgz4fWAarVDY88QcMhEfOL7WFGCgU06pZIUUiyWPR8FdDPulGR0yZog=="
       },
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
@@ -16,9 +16,9 @@
       },
       "nanoFramework.Logging": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.30, 2.0.0-preview.30]",
-        "resolved": "2.0.0-preview.30",
-        "contentHash": "wGAK9ukOcX6LiO2+pa3snv3d/+bIJWsWwCmrx/QS2TmU2emx9j5Ky3JqqANbkbByo1bU7jU07/2Ai4YjnJqzYw=="
+        "requested": "[2.0.0-preview.31, 2.0.0-preview.31]",
+        "resolved": "2.0.0-preview.31",
+        "contentHash": "ceu8PeJuustjv6oJTqTihsrtGEQFSwwMgrlyJJTHOx3xGb9CvPkidTe7z+VtOvlHCkoklrgZRqkGqh5u4WcW7w=="
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",