diff --git a/requirements.txt b/requirements.txt
index 0cb11c5..861d4f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,11 @@ pyarrow==17.0.0
 s3fs==2024.9.0
 fsspec==2024.9.0
 
+# Granular dbt Orchestration & Shift-Left Testing (Astronomer Cosmos)
+# WAJIB DIBUILD KE DALAM REGISTRY IMAGE: registry.sicabe.com/airflow:3.3.2-om203-ol
+astronomer-cosmos==1.15.1
+dbt-postgres==1.11.0
+
 # NOTE ON PYSPARK:
 # PySpark and Java JDK are deliberately EXCLUDED from this image to prevent bloat (>4GB)
 # and avoid OOM risks on Airflow Scheduler / DAG Processor.