diff --git a/backend_py/primary/primary/config.py b/backend_py/primary/primary/config.py
index 806acacbf..14c3d9df8 100644
--- a/backend_py/primary/primary/config.py
+++ b/backend_py/primary/primary/config.py
@@ -30,6 +30,6 @@
 }
 
 DEFAULT_CACHE_MAX_AGE = 3600  # 1 hour
-DEFAULT_STALE_WHILE_REVALIDATE = 3600  # 1 hour
+DEFAULT_STALE_WHILE_REVALIDATE = 3600 * 24  # 24 hour
 REDIS_USER_SESSION_URL = "redis://redis-user-session:6379"
 REDIS_CACHE_URL = "redis://redis-cache:6379"