diff --git a/fw/wmi_services.h b/fw/wmi_services.h
index e54f8faf6483..e156876d0d78 100644
--- a/fw/wmi_services.h
+++ b/fw/wmi_services.h
@@ -746,6 +746,7 @@ typedef  enum  {
     WMI_SERVICE_VDEV_UNIFIED_CONNECT_DISCONNECT_SUPPORT = 482, /* Indicates FW support for unified connect and disconnect vdev cmds for link switch */
     WMI_SERVICE_ENHANCED_STATS_SUPPORT = 483, /* Indicates FW supports "enhanced stats" */
     WMI_SERVICE_RADAR_FLAGS_RSSI_DBM_SUPPORT = 484, /* Indicates FW support to add RSSI in dBm units in WMI radar event */
+    WMI_SERVICE_WOW_STA_PS_PARAM_CACHE_SUPPORT = 485,  /* Indicates FW support for WOW timeline optimization feature */
 
 
     WMI_MAX_EXT2_SERVICE
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 3c420f4cbc15..cbf8aca631ef 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -21057,6 +21057,15 @@ enum wmi_sta_powersave_param {
      *  Value determines the ITO level to apply
      */
     WMI_STA_PS_PARAM_ITO_LEVEL = 13,
+
+    /**
+     * TX/RX inactivity time in msec before going to sleep in wow.
+     *
+     * The power save SM will monitor tx/rx activity on the VDEV, if no
+     * activity for the specified msec of the parameter the Power save SM will
+     * go to sleep.
+     */
+    WMI_STA_PS_PARAM_INACTIVITY_TIME_WOW = 14,
 };
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index d7752da43adc..9396537c897a 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -37,7 +37,7 @@
 #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_ 1682
+#define __WMI_REVISION_ 1683
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work