diff --git a/etl/src/birdxplorer_etl/settings.py b/etl/src/birdxplorer_etl/settings.py
index 30a4e6e..7a12c70 100644
--- a/etl/src/birdxplorer_etl/settings.py
+++ b/etl/src/birdxplorer_etl/settings.py
@@ -3,10 +3,12 @@
 
 load_dotenv()
 
-TARGET_TWITTER_POST_START_UNIX_MILLISECOND = 1717729500000
-TARGET_TWITTER_POST_END_UNIX_MILLISECOND = 1717729610000
+TARGET_TWITTER_POST_START_UNIX_MILLISECOND = int(
+    os.getenv("TARGET_TWITTER_POST_START_UNIX_MILLISECOND", "1717729500000")
+)
+TARGET_TWITTER_POST_END_UNIX_MILLISECOND = int(os.getenv("TARGET_TWITTER_POST_END_UNIX_MILLISECOND", "1717729610000"))
 
 # Extractで何日前のデータを最新と定義するか。開発中は3日前が楽。
-COMMUNITY_NOTE_DAYS_AGO = 3
+COMMUNITY_NOTE_DAYS_AGO = int(os.getenv("COMMUNITY_NOTE_DAYS_AGO", "3"))
 
 X_BEARER_TOKEN = os.getenv("X_BEARER_TOKEN")