diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 7b63afa632..efc97b3d7c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -72,7 +72,7 @@ jobs:
       - task: UseDotNet@2
         inputs:
           version: "3.1.x"
-          packageType: runtime
+          packageType: sdk
       - task: DotNetCoreCLI@2
         displayName: "dotnet build"
         inputs:
diff --git a/runtime/dotnet/azurefunctions/Microsoft.BotFramework.Composer.Functions.csproj b/runtime/dotnet/azurefunctions/Microsoft.BotFramework.Composer.Functions.csproj
index c7eb0ca292..1833517fb2 100644
--- a/runtime/dotnet/azurefunctions/Microsoft.BotFramework.Composer.Functions.csproj
+++ b/runtime/dotnet/azurefunctions/Microsoft.BotFramework.Composer.Functions.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AzureFunctionsVersion>v3</AzureFunctionsVersion>
     <UserSecretsId>2eb1c70c-5cd2-4c08-8aab-df989c347067</UserSecretsId>
   </PropertyGroup>
diff --git a/runtime/dotnet/core/Microsoft.BotFramework.Composer.Core.csproj b/runtime/dotnet/core/Microsoft.BotFramework.Composer.Core.csproj
index 8b58c56f94..2938d435a6 100644
--- a/runtime/dotnet/core/Microsoft.BotFramework.Composer.Core.csproj
+++ b/runtime/dotnet/core/Microsoft.BotFramework.Composer.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
@@ -13,6 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Text.Encodings.Web" Version="5.0.1" />
     <PackageReference Include="Microsoft.Bot.Builder" Version="4.12.2"/>
     <PackageReference Include="Microsoft.Bot.Builder.AI.Luis" Version="4.12.2"/>
     <PackageReference Include="Microsoft.Bot.Builder.AI.QnA" Version="4.12.2"/>