diff --git a/TestApp.NetCore/TestApp.NetCore.csproj b/TestApp.NetCore/TestApp.NetCore.csproj
index b6c6144..972315f 100644
--- a/TestApp.NetCore/TestApp.NetCore.csproj
+++ b/TestApp.NetCore/TestApp.NetCore.csproj
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="2.2.0" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.0.0" />
       <PackageReference Include="NETStandard.Library" Version="2.0.3" />
       <PackageReference Include="NLog.Extensions.Logging" Version="1.6.1" />
     </ItemGroup>
diff --git a/ZWaveLib/ZWaveLib.csproj b/ZWaveLib/ZWaveLib.csproj
index a0ee471..974c373 100644
--- a/ZWaveLib/ZWaveLib.csproj
+++ b/ZWaveLib/ZWaveLib.csproj
@@ -11,8 +11,8 @@
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="1.6.1" />
     <PackageReference Include="NLog" Version="4.6.7" />
   </ItemGroup>
@@ -30,6 +30,6 @@
   <!-- common -->
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
-    <PackageReference Include="SerialPortLib" Version="1.0.20" />
+    <PackageReference Include="SerialPortLib" Version="1.0.23" />
   </ItemGroup>
 </Project>
diff --git a/ZWaveLib/ZWaveLib.nuspec b/ZWaveLib/ZWaveLib.nuspec
index be7f3f5..d4987cb 100644
--- a/ZWaveLib/ZWaveLib.nuspec
+++ b/ZWaveLib/ZWaveLib.nuspec
@@ -37,8 +37,8 @@ https://github.com/genielabs/zwave-lib-dotnet</description>
             <group targetFramework="netstandard2.0">
                 <dependency id="NLog" version="4.6.7" />
                 <dependency id="NLog.Extensions.Logging" version="1.6.1" />
-                <dependency id="Microsoft.Extensions.DependencyInjection" version="2.2.0" />
-                <dependency id="Microsoft.Extensions.Logging.Abstractions" version="2.2.0" />
+                <dependency id="Microsoft.Extensions.DependencyInjection" version="3.0.0" />
+                <dependency id="Microsoft.Extensions.Logging.Abstractions" version="3.0.0" />
             </group>
         </dependencies>
     </metadata>