diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 2c93ffc7622f..3b9f6f98594c 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -5592,6 +5592,8 @@ typedef enum {
      */
     WMI_PDEV_PARAM_NAV_OVERRIDE_CONFIG,
 
+    /* Set global MU PPDU duration for DL (usec units) */
+    WMI_PDEV_PARAM_SET_MU_PPDU_DURATION, /* 0xB5 */
 } WMI_PDEV_PARAM;
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 0267d1bbbbc2..536d916e5459 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_ 636
+#define __WMI_REVISION_ 637
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work