Can't add stack description with latest version of troposphere

If I have a stacker definition that includes a description, like

stacks:
- name: myStack
  class_path: ...
  stack_name: ...
  description: My lovely stack
  region: ...

I get the following error when trying to build the stack

AttributeError: `Template` object has no attribute `add_description`

I believe this has to do with some changes made on the 3.0.0 troposphere release

Stacker seems to be calling add_description but it has been updated to set_description.

Stacker 1.7.2
troposphere 3.0.3
Python 3.9.7
Windows 10

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