diff --git a/the-state-machine/python/the_state_machine/the_state_machine_stack.py b/the-state-machine/python/the_state_machine/the_state_machine_stack.py
index 22ce5285..bd6547cb 100644
--- a/the-state-machine/python/the_state_machine/the_state_machine_stack.py
+++ b/the-state-machine/python/the_state_machine/the_state_machine_stack.py
@@ -57,7 +57,8 @@ def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
                                                 code=_lambda.Code.from_asset("lambda_fns"),
                                                 environment={
                                                     'statemachine_arn': state_machine.state_machine_arn
-                                                }
+                                                },
+                                                dead_letter_queue=dlq,
                                                 )
 
         state_machine.grant_start_execution(state_machine_lambda)