diff --git a/sources/ch4.py b/sources/ch4.py
index 3cb68d5..54038ea 100644
--- a/sources/ch4.py
+++ b/sources/ch4.py
@@ -22,7 +22,7 @@ from schemas.ch4_s import ATTRMAP
 THREADS_CONCURRENT = 100
 
 # Seconds to wait between every THREADS_CONCURRENT requests
-THREADS_DELAY = 0.1
+THREADS_DELAY = 0.8
 
 # Seconds to wait between crawls
 CRAWL_DELAY = 5