diff --git a/alertflow/dags/satellite_weather/brasil.py b/alertflow/dags/satellite_weather/brasil.py
index ca64127..6921188 100644
--- a/alertflow/dags/satellite_weather/brasil.py
+++ b/alertflow/dags/satellite_weather/brasil.py
@@ -32,7 +32,7 @@
     tags=["Brasil", "Copernicus"],
     schedule="@daily",
     default_args=DEFAULT_ARGS,
-    start_date=pendulum.datetime(2026, 8, 1, 4),
+    start_date=pendulum.datetime(2026, 9, 17, 4),
     catchup=True,
     max_active_runs=4,
 ) as dag:
diff --git a/alertflow/dags/vegetation_metrics.py b/alertflow/dags/vegetation_metrics.py
index 123e5dd..a40329c 100644
--- a/alertflow/dags/vegetation_metrics.py
+++ b/alertflow/dags/vegetation_metrics.py
@@ -53,7 +53,7 @@
 with DAG(
     dag_id="VEGETATION_INDEX_METRICS",
     default_args=default_args,
-    start_date=datetime(2020, 1, 1, 3, 0),
+    start_date=datetime(2026, 9, 17, 3, 0),
     schedule=timedelta(days=16),
     catchup=True,
     tags=["geospatial", "vegetation"],