diff --git a/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c b/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
index 6b7801e1fac3cc..82bf3794f4bdda 100644
--- a/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
+++ b/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
@@ -310,6 +310,7 @@ sl_status_t scan_callback_handler(sl_wifi_event_t event, sl_wifi_scan_result_t *
         break;
     case SL_WIFI_WPA:
     case SL_WIFI_WPA_ENTERPRISE:
+    case SL_WIFI_WPA_WPA2_MIXED:
         wfx_rsi.sec.security = WFX_SEC_WPA;
         break;
     case SL_WIFI_WPA2:
@@ -429,9 +430,11 @@ static sl_status_t wfx_rsi_do_join(void)
     case WFX_SEC_WPA2:
         connect_security_mode = SL_WIFI_WPA_WPA2_MIXED;
         break;
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION
     case WFX_SEC_WPA3:
-        connect_security_mode = SL_WIFI_WPA3;
+        connect_security_mode = SL_WIFI_WPA3_TRANSITION;
         break;
+#endif /*WIFI_ENABLE_SECURITY_WPA3_TRANSITION*/
     case WFX_SEC_NONE:
         connect_security_mode = SL_WIFI_OPEN;
         break;
diff --git a/src/platform/silabs/rs911x/rsi_ble_config.h b/src/platform/silabs/rs911x/rsi_ble_config.h
index 07f50b9528f253..6486c3df9c44ff 100644
--- a/src/platform/silabs/rs911x/rsi_ble_config.h
+++ b/src/platform/silabs/rs911x/rsi_ble_config.h
@@ -270,13 +270,23 @@
 #define RSI_TCP_IP_FEATURE_BIT_MAP                                                                                                 \
     (SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT) //! TCP/IP feature select bitmap for selecting TCP/IP features
 #define RSI_CUSTOM_FEATURE_BIT_MAP SL_SI91X_FEAT_CUSTOM_FEAT_EXTENTION_VALID //! To set custom feature select bit map
-#ifdef CHIP_917
+#if WIFI_ENABLE_SECURITY_WPA3_TRANSITION // Adding Support for WPA3 transition
+#ifdef CHIP_9117
+#define RSI_EXT_CUSTOM_FEATURE_BIT_MAP                                                                                             \
+    (SL_SI91X_EXT_FEAT_LOW_POWER_MODE | SL_SI91X_EXT_FEAT_XTAL_CLK_ENABLE(1) | RAM_LEVEL_NWP_BASIC_MCU_ADV |                       \
+     SL_SI91X_EXT_FEAT_FRONT_END_SWITCH_PINS_ULP_GPIO_4_5_0 | SL_SI91X_EXT_FEAT_IEEE_80211W)
+#else
+#define RSI_EXT_CUSTOM_FEATURE_BIT_MAP (SL_SI91X_EXT_FEAT_LOW_POWER_MODE | SL_SI91X_EXT_FEAT_XTAL_CLK_ENABLE(2))
+#endif /* CHIP_9117 */
+#else 
+#ifdef CHIP_9117
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP                                                                                             \
     (SL_SI91X_EXT_FEAT_LOW_POWER_MODE | SL_SI91X_EXT_FEAT_XTAL_CLK_ENABLE(1) | RAM_LEVEL_NWP_BASIC_MCU_ADV |                       \
      SL_SI91X_EXT_FEAT_FRONT_END_SWITCH_PINS_ULP_GPIO_4_5_0)
 #else
 #define RSI_EXT_CUSTOM_FEATURE_BIT_MAP (SL_SI91X_EXT_FEAT_LOW_POWER_MODE | SL_SI91X_EXT_FEAT_XTAL_CLK_ENABLE(2))
-#endif
+#endif /* CHIP_9117 */
+#endif /* WIFI_ENABLE_SECURITY_WPA3_TRANSITION */
 #define RSI_EXT_TCPIP_FEATURE_BITMAP 0
 #define RSI_BT_FEATURE_BITMAP (SL_SI91X_BT_RF_TYPE | SL_SI91X_ENABLE_BLE_PROTOCOL)
 #define RSI_CONFIG_FEATURE_BITMAP 0