diff --git a/ports/esp32/README.md b/ports/esp32/README.md
index a7531b6eaa447..0f1c15a8cff21 100644
--- a/ports/esp32/README.md
+++ b/ports/esp32/README.md
@@ -28,7 +28,7 @@ manage the ESP32 microcontroller, as well as a way to manage the required
 build environment and toolchains needed to build the firmware.
 
 The ESP-IDF changes quickly and MicroPython only supports certain versions.
-Currently MicroPython supports v5.0.4, v5.1.2.
+Currently MicroPython supports v5.0.5, v5.1.2.
 
 To install the ESP-IDF the full instructions can be found at the
 [Espressif Getting Started guide](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html#installation-step-by-step).
@@ -46,10 +46,10 @@ The steps to take are summarised below.
 To check out a copy of the IDF use git clone:
 
 ```bash
-$ git clone -b v5.0.4 --recursive https://github.com/espressif/esp-idf.git
+$ git clone -b v5.0.5 --recursive https://github.com/espressif/esp-idf.git
 ```
 
-You can replace `v5.0.4` with any other supported version.
+You can replace `v5.0.5` with any other supported version.
 (You don't need a full recursive clone; see the `ci_esp32_setup` function in
 `tools/ci.sh` in this repository for more detailed set-up commands.)
 
@@ -58,7 +58,7 @@ MicroPython and update the submodules using:
 
 ```bash
 $ cd esp-idf
-$ git checkout v5.0.4
+$ git checkout v5.0.5
 $ git submodule update --init --recursive
 ```
 
diff --git a/ports/esp32/machine_uart.c b/ports/esp32/machine_uart.c
index 0e384dc07a2d7..295c74185a8a1 100644
--- a/ports/esp32/machine_uart.c
+++ b/ports/esp32/machine_uart.c
@@ -27,6 +27,7 @@
 // This file is never compiled standalone, it's included directly from
 // extmod/machine_uart.c via MICROPY_PY_MACHINE_UART_INCLUDEFILE.
 
+#include "soc/uart_periph.h"
 #include "driver/uart.h"
 #include "freertos/FreeRTOS.h"
 
@@ -306,7 +307,11 @@ STATIC void mp_machine_uart_init_helper(machine_uart_obj_t *self, size_t n_args,
         }
         self->flowcontrol = args[ARG_flow].u_int;
     }
+    #if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0)
     check_esp_err(uart_set_hw_flow_ctrl(self->uart_num, self->flowcontrol, UART_FIFO_LEN - UART_FIFO_LEN / 4));
+    #else
+    check_esp_err(uart_set_hw_flow_ctrl(self->uart_num, self->flowcontrol, UART_HW_FIFO_LEN(self->uart_num) - UART_HW_FIFO_LEN(self->uart_num) / 4));
+    #endif
 }
 
 STATIC mp_obj_t mp_machine_uart_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
diff --git a/ports/esp32/main_esp32/idf_component.yml b/ports/esp32/main_esp32/idf_component.yml
index 5dabbc00ba735..dae49c4e37ab5 100644
--- a/ports/esp32/main_esp32/idf_component.yml
+++ b/ports/esp32/main_esp32/idf_component.yml
@@ -2,4 +2,4 @@
 dependencies:
   espressif/mdns: "~1.1.0"
   idf:
-    version: ">=5.0.4"
+    version: ">=5.0.5"
diff --git a/ports/esp32/main_esp32c3/idf_component.yml b/ports/esp32/main_esp32c3/idf_component.yml
index 5dabbc00ba735..dae49c4e37ab5 100644
--- a/ports/esp32/main_esp32c3/idf_component.yml
+++ b/ports/esp32/main_esp32c3/idf_component.yml
@@ -2,4 +2,4 @@
 dependencies:
   espressif/mdns: "~1.1.0"
   idf:
-    version: ">=5.0.4"
+    version: ">=5.0.5"
diff --git a/ports/esp32/main_esp32s2/idf_component.yml b/ports/esp32/main_esp32s2/idf_component.yml
index 05ab2f29a8d31..ebf311d3b310e 100644
--- a/ports/esp32/main_esp32s2/idf_component.yml
+++ b/ports/esp32/main_esp32s2/idf_component.yml
@@ -3,4 +3,4 @@ dependencies:
   espressif/mdns: "~1.1.0"
   espressif/esp_tinyusb: "~1.0.0"
   idf:
-    version: ">=5.0.4"
+    version: ">=5.0.5"
diff --git a/ports/esp32/main_esp32s3/idf_component.yml b/ports/esp32/main_esp32s3/idf_component.yml
index 05ab2f29a8d31..ebf311d3b310e 100644
--- a/ports/esp32/main_esp32s3/idf_component.yml
+++ b/ports/esp32/main_esp32s3/idf_component.yml
@@ -3,4 +3,4 @@ dependencies:
   espressif/mdns: "~1.1.0"
   espressif/esp_tinyusb: "~1.0.0"
   idf:
-    version: ">=5.0.4"
+    version: ">=5.0.5"
diff --git a/ports/esp32/modnetwork_globals.h b/ports/esp32/modnetwork_globals.h
index c6369ab9a79aa..b7fa45dfcbed1 100644
--- a/ports/esp32/modnetwork_globals.h
+++ b/ports/esp32/modnetwork_globals.h
@@ -29,9 +29,12 @@
 { MP_ROM_QSTR(MP_QSTR_AUTH_WPA2_WPA3_PSK), MP_ROM_INT(WIFI_AUTH_WPA2_WPA3_PSK) },
 { MP_ROM_QSTR(MP_QSTR_AUTH_WAPI_PSK), MP_ROM_INT(WIFI_AUTH_WAPI_PSK) },
 { MP_ROM_QSTR(MP_QSTR_AUTH_OWE), MP_ROM_INT(WIFI_AUTH_OWE) },
-#if ESP_IDF_VERSION > ESP_IDF_VERSION_VAL(5, 1, 1)
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 5)
 { MP_ROM_QSTR(MP_QSTR_AUTH_WPA3_ENT_192), MP_ROM_INT(WIFI_AUTH_WPA3_ENT_192) },
 #endif
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 2, 0)
+{ MP_ROM_QSTR(MP_QSTR_AUTH_WPA3_EXT_PSK), MP_ROM_INT(WIFI_AUTH_WPA3_EXT_PSK) },
+#endif
 { MP_ROM_QSTR(MP_QSTR_AUTH_MAX), MP_ROM_INT(WIFI_AUTH_MAX) },
 #endif
 
diff --git a/ports/esp32/network_common.c b/ports/esp32/network_common.c
index 1c5979175d0a1..b0e7d20497d4e 100644
--- a/ports/esp32/network_common.c
+++ b/ports/esp32/network_common.c
@@ -168,7 +168,9 @@ STATIC mp_obj_t esp_phy_mode(size_t n_args, const mp_obj_t *args) {
 }
 MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_network_phy_mode_obj, 0, 1, esp_phy_mode);
 
-#if ESP_IDF_VERSION > ESP_IDF_VERSION_VAL(5, 1, 1)
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 2, 0)
+_Static_assert(WIFI_AUTH_MAX == 12, "Synchronize WIFI_AUTH_XXX constants with the ESP-IDF. Look at esp-idf/components/esp_wifi/include/esp_wifi_types.h");
+#elif ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 5)
 _Static_assert(WIFI_AUTH_MAX == 11, "Synchronize WIFI_AUTH_XXX constants with the ESP-IDF. Look at esp-idf/components/esp_wifi/include/esp_wifi_types.h");
 #else
 _Static_assert(WIFI_AUTH_MAX == 10, "Synchronize WIFI_AUTH_XXX constants with the ESP-IDF. Look at esp-idf/components/esp_wifi/include/esp_wifi_types.h");
diff --git a/ports/esp32/uart.c b/ports/esp32/uart.c
index b82a638a5b27a..4da59445dc675 100644
--- a/ports/esp32/uart.c
+++ b/ports/esp32/uart.c
@@ -34,6 +34,7 @@
 #if MICROPY_HW_ENABLE_UART_REPL
 
 #include <stdio.h>
+#include "soc/uart_periph.h"
 #include "driver/uart.h" // For uart_get_sclk_freq()
 #include "hal/uart_hal.h"
 
@@ -50,7 +51,7 @@ STATIC void uart_irq_handler(void *arg);
 
 void uart_stdout_init(void) {
     uart_hal_context_t repl_hal = REPL_HAL_DEFN();
-    #if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0)
+    #if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 2, 0)
     uart_sclk_t sclk;
     #else
     soc_module_clk_t sclk;
diff --git a/tools/ci.sh b/tools/ci.sh
index 95b1f19ffc4a6..ccf4753561661 100755
--- a/tools/ci.sh
+++ b/tools/ci.sh
@@ -122,7 +122,7 @@ function ci_cc3200_build {
 # ports/esp32
 
 # GitHub tag of ESP-IDF to use for CI (note: must be a tag or a branch)
-IDF_VER=v5.0.4
+IDF_VER=v5.0.5
 
 export IDF_CCACHE_ENABLE=1