diff --git a/src/cotdata/providers/cftc.py b/src/cotdata/providers/cftc.py
index 72c1d29..f8cc757 100644
--- a/src/cotdata/providers/cftc.py
+++ b/src/cotdata/providers/cftc.py
@@ -7,6 +7,8 @@
 
 Self-contained — no cot-analyzer imports. Ported from cot-analyzer/src/core/etl.py.
 """
+from __future__ import annotations  # PEP 604 unions (Path | None) on Python 3.9
+
 import datetime as dt
 import io
 import zipfile
diff --git a/src/cotdata/providers/norgate.py b/src/cotdata/providers/norgate.py
index b2620e7..f8d1245 100644
--- a/src/cotdata/providers/norgate.py
+++ b/src/cotdata/providers/norgate.py
@@ -8,6 +8,8 @@
 e.g. +146 pts at the 2026-06 Jun→Sep roll). '&ES_CCB' is BACK-ADJUSTED (gaps
 stitched out). A close-based stop needs the gap-free series → we fetch _CCB.
 """
+from __future__ import annotations  # PEP 604 unions (dict | None) on Python 3.9
+
 import pandas as pd
 import numpy as np
 import re