diff --git a/System.IO.Ports/System.IO.Ports.nfproj b/System.IO.Ports/System.IO.Ports.nfproj
index 0ad0a2a..d2eca87 100644
--- a/System.IO.Ports/System.IO.Ports.nfproj
+++ b/System.IO.Ports/System.IO.Ports.nfproj
@@ -76,7 +76,7 @@
       <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.17\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.19\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
diff --git a/System.IO.Ports/packages.config b/System.IO.Ports/packages.config
index 6962c89..f594c3e 100644
--- a/System.IO.Ports/packages.config
+++ b/System.IO.Ports/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.SourceLink.Common" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="Microsoft.SourceLink.GitHub" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.10.94" developmentDependency="true" targetFramework="netnano1.0" />
diff --git a/System.IO.Ports/packages.lock.json b/System.IO.Ports/packages.lock.json
index a4b8fd6..d6eae01 100644
--- a/System.IO.Ports/packages.lock.json
+++ b/System.IO.Ports/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "m+hCcq3jtakTPnsufdZY8Mv/Akh+MIk11qUV9+GCq9Io7lXgnI5oDOfOO0lx2Z3fPGgoP4o3YwL9mGycc4tbeQ=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "stA/5UwMO802D6B2z6rcvQVsdpX2eUywhWPDQ/elvm7dAc6clpC9s3WuhFGI8NiuLnJftU6g4Kmj68CS9QYmxQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
diff --git a/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj b/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
index 28f8f80..6e59389 100644
--- a/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
+++ b/Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj
@@ -47,7 +47,7 @@
       <HintPath>..\..\packages\nanoFramework.Hardware.Esp32.2.0.0-preview.16\lib\netnano1.0\nanoFramework.Hardware.Esp32.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.17\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.Runtime.Events.2.0.0-preview.19\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
diff --git a/Tests/UnitTestsSerialPort/packages.config b/Tests/UnitTestsSerialPort/packages.config
index d3508a5..bcef824 100644
--- a/Tests/UnitTestsSerialPort/packages.config
+++ b/Tests/UnitTestsSerialPort/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.Hardware.Esp32" version="2.0.0-preview.16" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.64" targetFramework="netnano1.0" developmentDependency="true" />
diff --git a/Tests/UnitTestsSerialPort/packages.lock.json b/Tests/UnitTestsSerialPort/packages.lock.json
index 1f1ed0c..a3a71d5 100644
--- a/Tests/UnitTestsSerialPort/packages.lock.json
+++ b/Tests/UnitTestsSerialPort/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.17, 2.0.0-preview.17]",
-        "resolved": "2.0.0-preview.17",
-        "contentHash": "m+hCcq3jtakTPnsufdZY8Mv/Akh+MIk11qUV9+GCq9Io7lXgnI5oDOfOO0lx2Z3fPGgoP4o3YwL9mGycc4tbeQ=="
+        "requested": "[2.0.0-preview.19, 2.0.0-preview.19]",
+        "resolved": "2.0.0-preview.19",
+        "contentHash": "stA/5UwMO802D6B2z6rcvQVsdpX2eUywhWPDQ/elvm7dAc6clpC9s3WuhFGI8NiuLnJftU6g4Kmj68CS9QYmxQ=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
diff --git a/nanoFramework.System.IO.Ports.nuspec b/nanoFramework.System.IO.Ports.nuspec
index e2eea8a..0f0b487 100644
--- a/nanoFramework.System.IO.Ports.nuspec
+++ b/nanoFramework.System.IO.Ports.nuspec
@@ -21,7 +21,7 @@ This package requires a target with System.IO.Ports native contract hash $native
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
         <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" />
-        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.17" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.19" />
         <dependency id="nanoFramework.System.IO.Streams" version="2.0.0-preview.29" />
       </group>
     </dependencies>