diff --git a/dags/glue/glue_followers.py b/dags/glue/glue_followers.py
index b2ae909..a51e0ab 100644
--- a/dags/glue/glue_followers.py
+++ b/dags/glue/glue_followers.py
@@ -41,6 +41,7 @@ def upload_rendered_script_to_s3(
         "retries": 0,
         "retry_delay": timedelta(minutes=5),
     },
+    max_active_runs=1,
     tags=["glue", "streaming"],
     schedule_interval="30 16 * * *",  # 한국 기준 새벽 1시 30분
     catchup=True,