diff --git a/components/esp_wifi/lib b/components/esp_wifi/lib
index 1e370437af..c1f74dcf91 160000
--- a/components/esp_wifi/lib
+++ b/components/esp_wifi/lib
@@ -1 +1 @@
-Subproject commit 1e370437afc66a556df4d95623ce35fa40d2393f
+Subproject commit c1f74dcf9151ae21b7a3850b90952796a2806358
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c61 b/examples/wifi/iperf/sdkconfig.defaults.esp32c61
index bfccf0ca7a..3d0735f285 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c61
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c61
@@ -3,17 +3,17 @@
 #
 CONFIG_IDF_ENV_FPGA=n
 
-CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=20
-CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=40
-CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=36
+CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=14
+CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=28
+CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=30
 CONFIG_ESP_WIFI_AMPDU_TX_ENABLED=y
 CONFIG_ESP_WIFI_TX_BA_WIN=32
 CONFIG_ESP_WIFI_AMPDU_RX_ENABLED=y
 CONFIG_ESP_WIFI_RX_BA_WIN=20
 CONFIG_ESP_WIFI_NVS_ENABLED=n
 
-CONFIG_LWIP_TCP_SND_BUF_DEFAULT=25920
-CONFIG_LWIP_TCP_WND_DEFAULT=43200
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=23040
+CONFIG_LWIP_TCP_WND_DEFAULT=37440
 CONFIG_LWIP_TCP_RECVMBOX_SIZE=48
 CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=48