diff --git a/src/Meadow.Modbus/Meadow.Modbus.csproj b/src/Meadow.Modbus/Meadow.Modbus.csproj
index 3a3b4ea..61d481b 100644
--- a/src/Meadow.Modbus/Meadow.Modbus.csproj
+++ b/src/Meadow.Modbus/Meadow.Modbus.csproj
@@ -20,7 +20,7 @@
   </PropertyGroup>
   <ItemGroup>
     <None Include="icon.png" Pack="true" PackagePath="" />
-    <PackageReference Include="System.IO.Ports" Version="6.0.0" />
+    <PackageReference Include="System.IO.Ports" Version="8.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Meadow.Contracts\Source\Meadow.Contracts\Meadow.Contracts.csproj" />