If you update the version constraint in your Terraform configuration, will Terraform update the lock file the next time you run terraform init?

• A. True
• B. False
• C. Only if using -upgrade
• D. It always updates immediately

Answer: (B)

The lock file records the exact provider versions that were installed for your configuration, and Terraform init uses it to ensure reproducible runs. Changing the version constraint in your configuration does not by itself cause the lock file to update on the next init. Terraform will keep using the versions already recorded in the lock file unless you explicitly ask it to upgrade. To refresh the lock file with newer versions allowed by your new constraints, you need to run Terraform with the upgrade option (terraform init -upgrade) or remove the lock file and re-init. So the statement is false.