diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index ad7e16ab05f6..a2bc9a4ee7f4 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -13062,7 +13062,8 @@ typedef enum
     WMI_VENDOR_OUI_ACTION_CONNECTION_1X1 = 0, /* Connect in 1X1 only */
     WMI_VENDOR_OUI_ACTION_ITO_EXTENSION = 1,  /* Extend the Immediate Time-Out (ITO) if data is not received from AP after beacon with TIM bit set */
     WMI_VENDOR_OUI_ACTION_CCKM_1X1 = 2,       /* TX (only) CCKM rates with 1 chain only */
-    WMI_VENDOR_OUI_ACTION_ALT_ITO = 3,
+    WMI_VENDOR_OUI_ACTION_ALT_ITO = 3, /* inactivity time-out */
+    WMI_VENDOR_OUI_ACTION_SWITCH_TO_11N_MODE = 4, /* Switch from 11ac to 11n mode to avoid IOT issues with ONM frame */
     /* Add any action before this line */
     WMI_VENDOR_OUI_ACTION_MAX_ACTION_ID
 } wmi_vendor_oui_action_id;
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 2d7a46977e37..c5070ead8706 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 520
+#define __WMI_REVISION_ 521
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work