diff --git a/src/otaclient/app/configs.py b/src/otaclient/app/configs.py
index dbee8fa38..9a76ab8b7 100644
--- a/src/otaclient/app/configs.py
+++ b/src/otaclient/app/configs.py
@@ -133,7 +133,7 @@ class BaseConfig(_InternalSettings):
     # --- create standby setting --- #
     # now only REBUILD mode is available
     STANDBY_CREATION_MODE = CreateStandbyMechanism.REBUILD
-    MAX_CONCURRENT_PROCESS_FILE_TASKS = 256
+    MAX_CONCURRENT_PROCESS_FILE_TASKS = 512
     MAX_PROCESS_FILE_THREAD = 6
     CREATE_STANDBY_RETRY_MAX = 1024
     CREATE_STANDBY_BACKOFF_FACTOR = 1