diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 936cb5a13bd4..6e6e9219ae28 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -40704,6 +40704,11 @@ typedef enum {
         WMI_ROAM_TRIGGER_SUB_REASON_PERIODIC_TIMER_AFTER_INACTIVITY,
     WMI_ROAM_TRIGGER_SUB_REASON_PERIODIC_TIMER_AFTER_INACTIVITY_CU,
     WMI_ROAM_TRIGGER_SUB_REASON_INACTIVITY_TIMER_CU,
+    /* MLD_EXTRA_PARTIAL_SCAN:
+     * FW triggers extra partial scan when all ml links are not found
+     * during first partial scan.
+     */
+    WMI_ROAM_TRIGGER_SUB_REASON_MLD_EXTRA_PARTIAL_SCAN,
 } WMI_ROAM_TRIGGER_SUB_REASON_ID;
 
 typedef enum wmi_roam_invoke_status_error {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 656d21d73472..2c096cd6ed2f 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_ 1505
+#define __WMI_REVISION_ 1506
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work