diff --git a/src/bentoml/serving.py b/src/bentoml/serving.py
index 891bf888c33..ab2ffa3e67a 100644
--- a/src/bentoml/serving.py
+++ b/src/bentoml/serving.py
@@ -112,6 +112,7 @@ def create_watcher(
         copy_env=True,
         stop_children=True,
         use_sockets=use_sockets,
+        graceful_timeout=86400,
         **kwargs,
     )