diff --git a/components/esp_modem/examples/ap_to_pppos/main/ap_to_pppos.c b/components/esp_modem/examples/ap_to_pppos/main/ap_to_pppos.c
index 634b8c18f..709bf4ecc 100644
--- a/components/esp_modem/examples/ap_to_pppos/main/ap_to_pppos.c
+++ b/components/esp_modem/examples/ap_to_pppos/main/ap_to_pppos.c
@@ -11,12 +11,13 @@
 #include "esp_wifi.h"
 #include "esp_event.h"
 #include "esp_log.h"
+#include "esp_idf_version.h"
 #include "nvs_flash.h"
 #include "lwip/lwip_napt.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/event_groups.h"
 #include "network_dce.h"
-#if ESP_IDF_VERSION_MAJOR >= 5
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
     #include "esp_mac.h"
     #include "dhcpserver/dhcpserver.h"
 #endif
diff --git a/components/esp_modem/idf_component.yml b/components/esp_modem/idf_component.yml
index 3ec8477f1..5acd69408 100644
--- a/components/esp_modem/idf_component.yml
+++ b/components/esp_modem/idf_component.yml
@@ -1,4 +1,4 @@
-version: "0.1.20"
+version: "0.1.21"
 description: esp modem
 url: https://github.com/espressif/esp-protocols/tree/master/components/esp_modem
 dependencies:
diff --git a/components/esp_modem/private_include/uart_compat.h b/components/esp_modem/private_include/uart_compat.h
index 28ae09579..456763b11 100644
--- a/components/esp_modem/private_include/uart_compat.h
+++ b/components/esp_modem/private_include/uart_compat.h
@@ -15,6 +15,7 @@
 #pragma once
 
 #include "esp_log.h"
+#include "esp_idf_version.h"
 #include "driver/uart.h"
 
 /**
@@ -23,7 +24,7 @@
  */
 static inline int uart_write_bytes_compat(uart_port_t uart_num, const void* src, size_t size)
 {
-#if ESP_IDF_VERSION_MAJOR >= 4 && ESP_IDF_VERSION_MINOR >= 3
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
     const void *data = src;
 #else
     auto *data = reinterpret_cast<const char*>(src);
diff --git a/components/esp_modem/src/esp_modem_netif.cpp b/components/esp_modem/src/esp_modem_netif.cpp
index fa731f145..b7acf4a07 100644
--- a/components/esp_modem/src/esp_modem_netif.cpp
+++ b/components/esp_modem/src/esp_modem_netif.cpp
@@ -17,6 +17,7 @@
 #include <inttypes.h>
 #include <esp_log.h>
 #include <esp_event.h>
+#include "esp_idf_version.h"
 #include "cxx_include/esp_modem_netif.hpp"
 #include "cxx_include/esp_modem_dte.hpp"
 #include "esp_netif_ppp.h"
@@ -59,7 +60,7 @@ esp_err_t Netif::esp_modem_post_attach(esp_netif_t *esp_netif, void *args)
     esp_netif_ppp_config_t ppp_config = { .ppp_phase_event_enabled = true,    // assuming phase enabled, as earlier IDFs
                                           .ppp_error_event_enabled = false
                                         }; // don't provide cfg getters so we enable both events
-#if ESP_IDF_VERSION_MAJOR >= 4 && ESP_IDF_VERSION_MINOR >= 4
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 4, 0)
     esp_netif_ppp_get_params(esp_netif, &ppp_config);
 #endif // ESP-IDF >= v4.4
     if (!ppp_config.ppp_error_event_enabled) {