diff --git a/WHENCE b/WHENCE
index 30171a2c..795c9c98 100644
--- a/WHENCE
+++ b/WHENCE
@@ -5369,6 +5369,8 @@ File: mediatek/mt7981_wa.bin
 Version: 20221208202048
 File: mediatek/mt7981_rom_patch.bin
 Version: 20221208201745a
+File: mediatek/mt7981_wo.bin
+Version: 20221208202138
 
 Licence: Redistributable. See LICENCE.mediatek for details.
 
diff --git a/mediatek/mt7981_wo.bin b/mediatek/mt7981_wo.bin
new file mode 100644
index 00000000..aaf9865d
Binary files /dev/null and b/mediatek/mt7981_wo.bin differ