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 72fa2ae..bcd555e 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
@@ -42,7 +42,7 @@
       <HintPath>..\packages\nanoFramework.Logging.1.1.161\lib\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.19\lib\nanoFramework.Runtime.Native.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.20\lib\nanoFramework.Runtime.Native.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.8\lib\nanoFramework.System.Collections.dll</HintPath>
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
index ae04326..a26233a 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.Benchmark" version="1.0.113" targetFramework="netnano1.0" />
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" targetFramework="netnano1.0" />
   <package id="nanoFramework.Logging" version="1.1.161" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.19" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.20" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.8" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="2.0.0-preview.3" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.8" targetFramework="netnano1.0" />
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
index 01342c7..91cca24 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
@@ -22,9 +22,9 @@
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
-        "resolved": "2.0.0-preview.19",
-        "contentHash": "bLcWZHMCMVpNG/2s9FOjaofznAqJzko/No8mJpcAjoFuj6r0Ovr78My+e+nitm7HTGWYUMRK64h90bZ/3oAP0Q=="
+        "requested": "[2.0.0-preview.20, 2.0.0-preview.20]",
+        "resolved": "2.0.0-preview.20",
+        "contentHash": "TwNeWN8eYZ0qtMkQ5UPPaYsq6l963SUBSKerOgoWE13DEk3drQPZqF+uI7VuWLmvoSFgQ4FYiwDFpexC1p8m3A=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",