diff --git a/warc_wat_url_processor.py b/warc_wat_url_processor.py
index 7469112..8dd4e4c 100644
--- a/warc_wat_url_processor.py
+++ b/warc_wat_url_processor.py
@@ -117,7 +117,7 @@ def main():
 
     urls = [url.strip() for url in urls]
 
-    download_concurrency_level = 40
+    download_concurrency_level = 15
 
     with ProcessPoolExecutor(max_workers=download_concurrency_level) as executor:
         print("Submitting tasks to the ProcessPoolExecutor...")