diff --git a/lib/netstd/README.md b/lib/netstd/README.md
index 74f5ed8..d554e38 100644
--- a/lib/netstd/README.md
+++ b/lib/netstd/README.md
@@ -11,7 +11,7 @@
 - Build with scripts
 
 ## How to build on Unix/Linux
-- Ensure you have .NET Core SDK 3.0 installed, or use the [Ubuntu docker image](../../build/docker/README.md)
+- Ensure you have .NET Core SDK 3.1 (LTS) installed, or use the [Ubuntu docker image](../../build/docker/README.md)
 - Follow common automake build practice: `./ bootstrap && ./ configure && make`
 
 ## Known issues
diff --git a/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj b/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
index c3cdc11..7c5639b 100644
--- a/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
+++ b/lib/netstd/Tests/Thrift.IntegrationTests/Thrift.IntegrationTests.csproj
@@ -19,7 +19,7 @@
   -->
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AssemblyName>Thrift.IntegrationTests</AssemblyName>
     <PackageId>Thrift.IntegrationTests</PackageId>
     <OutputType>Exe</OutputType>
@@ -32,11 +32,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CompareNETObjects" Version="4.58.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.5.3" />
+    <PackageReference Include="CompareNETObjects" Version="4.64.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="4.7.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Thrift\Thrift.csproj" />
diff --git a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
index 498191f..d2db348 100644
--- a/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
+++ b/lib/netstd/Tests/Thrift.PublicInterfaces.Compile.Tests/Thrift.PublicInterfaces.Compile.Tests.csproj
@@ -19,7 +19,7 @@
   -->
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AssemblyName>Thrift.PublicInterfaces.Compile.Tests</AssemblyName>
     <PackageId>Thrift.PublicInterfaces.Compile.Tests</PackageId>
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.5.3" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="4.7.0" />
   </ItemGroup>
 
   <Target Name="PreBuild" BeforeTargets="_GenerateRestoreProjectSpec;Restore;Compile">
diff --git a/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj b/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
index b060182..20fdfe4 100644
--- a/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
+++ b/lib/netstd/Tests/Thrift.Tests/Thrift.Tests.csproj
@@ -18,14 +18,14 @@
     under the License.
   -->
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CompareNETObjects" Version="4.58.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
-    <PackageReference Include="NSubstitute" Version="4.0.0" />
+    <PackageReference Include="CompareNETObjects" Version="4.64.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
+    <PackageReference Include="NSubstitute" Version="4.2.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Thrift\Thrift.csproj" />
diff --git a/lib/netstd/Thrift/Thrift.csproj b/lib/netstd/Thrift/Thrift.csproj
index 5d8a9c3..e40db00 100644
--- a/lib/netstd/Thrift/Thrift.csproj
+++ b/lib/netstd/Thrift/Thrift.csproj
@@ -44,16 +44,16 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="3.1.0" />
     <PackageReference Include="System.IO.Pipes" Version="[4.3,)" />
     <PackageReference Include="System.IO.Pipes.AccessControl" Version="4.5.1" />
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.5.2" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.7.0" />
     <PackageReference Include="System.Net.NameResolution" Version="[4.3,)" />
     <PackageReference Include="System.Net.Requests" Version="[4.3,)" />
     <PackageReference Include="System.Net.Security" Version="4.3.2" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.2" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.3" />
   </ItemGroup>
 
 </Project>