diff --git a/components/bt/Kconfig b/components/bt/Kconfig
index b3b6f5ee80..83ae78ce6a 100644
--- a/components/bt/Kconfig
+++ b/components/bt/Kconfig
@@ -166,8 +166,8 @@ config BLE_SCAN_DUPLICATE
 config DUPLICATE_SCAN_CACHE_SIZE
     int "Maximum number of devices in scan duplicate filter"
     depends on BLE_SCAN_DUPLICATE
-    range 10 200
-    default 20
+    range 10 1000
+    default 500
     help
         Maximum number of devices which can be recorded in scan duplicate filter.
         When the maximum amount of device in the filter is reached, the cache will be refreshed.