Having issue upgrading from .Net Core 2.1 to 3.1 aws Lambda using TF

I am currently working on upgrading our existing AWS Lambda function from .Net Core 2.1 to 3.1 using terraform. I am getting the following error when I run terraform plan. I am using Terraform v0.11.14

aws_lambda_function.function: expected runtime to be one of [dotnetcore1.0 dotnetcore2.0 dotnetcore2.1 go1.x java8 java11 nodejs4.3 nodejs4.3-edge nodejs6.10 nodejs8.10 nodejs10.x nodejs12.x provided python2.7 python3.6 python3.7 python3.8 ruby2.5 ruby2.7], got dotnetcore3.1

@ patelneel1994 Support for .NET Core 3.1 has just been added in v2.57.0 of the AWS Provider: https://github.com/terraform-providers/terraform-provider-aws/blob/master/CHANGELOG.md#2570-april-09-2020.

Ahh got it. Thank you very much @ewbankkit.