diff --git a/ESP32-IDF_mqtt-ssl/sdkconfig b/ESP32-IDF_mqtt-ssl/sdkconfig
index b03e2e56e..8e6e9c138 100644
--- a/ESP32-IDF_mqtt-ssl/sdkconfig
+++ b/ESP32-IDF_mqtt-ssl/sdkconfig
@@ -289,7 +289,7 @@ CONFIG_IDF_TOOLCHAIN_GCC=y
 CONFIG_IDF_TARGET_ARCH_RISCV=y
 CONFIG_IDF_TARGET_ARCH="riscv"
 CONFIG_IDF_TARGET="esp32c3"
-CONFIG_IDF_INIT_VERSION="5.4.1"
+CONFIG_IDF_INIT_VERSION="$IDF_INIT_VERSION"
 CONFIG_IDF_TARGET_ESP32C3=y
 CONFIG_IDF_FIRMWARE_CHIP_ID=0x0005
 
@@ -482,8 +482,8 @@ CONFIG_ENV_GPIO_OUT_RANGE_MAX=19
 CONFIG_EXAMPLE_CONNECT_WIFI=y
 # CONFIG_EXAMPLE_WIFI_SSID_PWD_FROM_STDIN is not set
 CONFIG_EXAMPLE_PROVIDE_WIFI_CONSOLE_CMD=y
-CONFIG_EXAMPLE_WIFI_SSID="myssid"
-CONFIG_EXAMPLE_WIFI_PASSWORD="mypassword"
+CONFIG_EXAMPLE_WIFI_SSID="IoT_bots"
+CONFIG_EXAMPLE_WIFI_PASSWORD="208208208"
 CONFIG_EXAMPLE_WIFI_CONN_MAX_RETRY=6
 # CONFIG_EXAMPLE_WIFI_SCAN_METHOD_FAST is not set
 CONFIG_EXAMPLE_WIFI_SCAN_METHOD_ALL_CHANNEL=y
diff --git a/ESP32-IDF_mqtt-ssl/sdkconfig.old b/ESP32-IDF_mqtt-ssl/sdkconfig.old
index f3dc4552e..b03e2e56e 100644
--- a/ESP32-IDF_mqtt-ssl/sdkconfig.old
+++ b/ESP32-IDF_mqtt-ssl/sdkconfig.old
@@ -482,8 +482,8 @@ CONFIG_ENV_GPIO_OUT_RANGE_MAX=19
 CONFIG_EXAMPLE_CONNECT_WIFI=y
 # CONFIG_EXAMPLE_WIFI_SSID_PWD_FROM_STDIN is not set
 CONFIG_EXAMPLE_PROVIDE_WIFI_CONSOLE_CMD=y
-CONFIG_EXAMPLE_WIFI_SSID="IoT_bots"
-CONFIG_EXAMPLE_WIFI_PASSWORD="208208208"
+CONFIG_EXAMPLE_WIFI_SSID="myssid"
+CONFIG_EXAMPLE_WIFI_PASSWORD="mypassword"
 CONFIG_EXAMPLE_WIFI_CONN_MAX_RETRY=6
 # CONFIG_EXAMPLE_WIFI_SCAN_METHOD_FAST is not set
 CONFIG_EXAMPLE_WIFI_SCAN_METHOD_ALL_CHANNEL=y
@@ -508,7 +508,11 @@ CONFIG_EXAMPLE_WIFI_CONNECT_AP_BY_SIGNAL=y
 # CONFIG_EXAMPLE_CONNECT_ETHERNET is not set
 # CONFIG_EXAMPLE_CONNECT_PPP is not set
 CONFIG_EXAMPLE_CONNECT_IPV4=y
-# CONFIG_EXAMPLE_CONNECT_IPV6 is not set
+CONFIG_EXAMPLE_CONNECT_IPV6=y
+CONFIG_EXAMPLE_CONNECT_IPV6_PREF_LOCAL_LINK=y
+# CONFIG_EXAMPLE_CONNECT_IPV6_PREF_GLOBAL is not set
+# CONFIG_EXAMPLE_CONNECT_IPV6_PREF_SITE_LOCAL is not set
+# CONFIG_EXAMPLE_CONNECT_IPV6_PREF_UNIQUE_LOCAL is not set
 # end of Example Connection Configuration
 
 #