diff --git a/agent.py b/agent.py
index 1f495b2..5555f72 100644
--- a/agent.py
+++ b/agent.py
@@ -295,6 +295,10 @@ def _analyze_contract_text(contract_id: str, title: str, text: str) -> ContractR
     )
 
 
+def _deadline_sort_key(deadline: ExtractedDeadline) -> tuple[int, str]:
+    return (0 if deadline.kind == "renewal" else 1, deadline.deadline_date.isoformat())
+
+
 def _extract_deadlines(text: str) -> list[ExtractedDeadline]:
     deadlines: list[ExtractedDeadline] = []
     seen: set[tuple[str, date]] = set()