diff --git a/docker-compose.portainer.yml b/docker-compose.portainer.yml
index 6287969..c8a9ff0 100644
--- a/docker-compose.portainer.yml
+++ b/docker-compose.portainer.yml
@@ -196,6 +196,7 @@ services:
       AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${DB_USERNAME}:${DB_PASSWORD}@sc_database:5432/${DB_DATABASE_NAME}
       AIRFLOW__CORE__DAGS_FOLDER: /opt/pipeline/dags
       AIRFLOW__CORE__LOAD_EXAMPLES: "false"
+      AIRFLOW__CORE__INTERNAL_API_SECRET_KEY: "${DB_PASSWORD}-airflow-internal"
       AIRFLOW__CORE__SIMPLE_AUTH_MANAGER_USERS: "${AIRFLOW_ADMIN_USER:-admin}:admin"
       AIRFLOW__LOGGING__BASE_LOG_FOLDER: /opt/airflow/logs
       PG_HOST: sc_database