According to the docs aws codebuild should support the latest version of node 10.x: https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-available.html

The current version 10 is at 10.21

Node version 10.x should be >=10.23.x. It is 10.21

Per node: 10.23 is the latest release: https://nodejs.org/dist/latest-v10.x/

This is currently blocking: aws/aws-sdk-js-v3#1673