Set Terraform version in gitalb-terraform docker

How do I set the Terraform version for CICD?

I am using the process documented in https://docs.gitlab.com/ee/user/infrastructure/#get-started-using-gitlab-ci

The current release of the gitlab-terraform docker is on Terraform v0.13.x

I have a vendor module that is only supported on v0.12.x at this time. How do I specify the version of Terraform?

I tried to use image tags v0.12, 0.12, 0.2.5, v0.2.5. All which are non existant.

Error response from daemon: manifest for registry.gitlab.com/gitlab-org/terraform-images/stable:0.12 not found: manifest unknown: manifest unknown

Neither the document or the repo (https://gitlab.com/gitlab-org/terraform-images) talks about setting the Terraform version.

EDIT:
Was able to pull in specific Terraform version using image path: registry.gitlab.com/gitlab-org/terraform-images/releases/v0.12

For future reference, you can see all the docker images in the registry: https://gitlab.com/gitlab-org/terraform-images/container_registry