diff --git a/components/esp32/Kconfig b/components/esp32/Kconfig
index 9aadcbfd85..c514521972 100644
--- a/components/esp32/Kconfig
+++ b/components/esp32/Kconfig
@@ -626,7 +626,7 @@ config ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM
     int "Max number of WiFi dynamic RX buffers"
     depends on WIFI_ENABLED
     range 0 128
-    default 64
+    default 32
     help
         Set the number of WiFi dynamic rx buffers, 0 means no limitation for dynamic rx buffer
         allocation. The size of dynamic rx buffers is not fixed.
diff --git a/components/esp32/lib b/components/esp32/lib
index c6b0b8e694..4845865328 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit c6b0b8e694724ef4d74911f70dd269fe6ac360d4
+Subproject commit 4845865328936e7ff11b6536871551b4b0ca0c09