diff --git a/AzureKeyVault.LetsEncrypt/AzureKeyVault.LetsEncrypt.csproj b/AzureKeyVault.LetsEncrypt/AzureKeyVault.LetsEncrypt.csproj
index 073b7a78..8ac2eead 100644
--- a/AzureKeyVault.LetsEncrypt/AzureKeyVault.LetsEncrypt.csproj
+++ b/AzureKeyVault.LetsEncrypt/AzureKeyVault.LetsEncrypt.csproj
@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
     <AzureFunctionsVersion>v2</AzureFunctionsVersion>
-    <UseNETCoreGenerator>true</UseNETCoreGenerator>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ACMESharpCore" Version="2.0.0.49-beta1" />
@@ -10,7 +9,7 @@
     <PackageReference Include="Microsoft.Azure.Management.Dns" Version="3.0.0" />
     <PackageReference Include="Microsoft.Azure.Services.AppAuthentication" Version="1.0.3" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.DurableTask" Version="1.6.2" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.22" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.23" />
   </ItemGroup>
   <ItemGroup>
     <None Update="host.json">
diff --git a/appveyor.yml b/appveyor.yml
index 10397b34..d61edfda 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,7 +14,7 @@ image: Visual Studio 2017
 
 build_script:
   - dotnet publish -c Release
-  - 7z a latest.zip %APPVEYOR_BUILD_FOLDER%\AzureKeyVault.LetsEncrypt\bin\Release\netcoreapp2.0\publish\*
+  - 7z a latest.zip %APPVEYOR_BUILD_FOLDER%\AzureKeyVault.LetsEncrypt\bin\Release\netcoreapp2.1\publish\*
 
 test: off