diff --git a/WHENCE b/WHENCE
index 1f0830c..ead2437 100644
--- a/WHENCE
+++ b/WHENCE
@@ -5695,6 +5695,7 @@ Driver: prestera - Marvell driver for Prestera family ASIC devices
 
 File: mrvl/prestera/mvsw_prestera_fw-v2.0.img
 File: mrvl/prestera/mvsw_prestera_fw-v3.0.img
+File: mrvl/prestera/mvsw_prestera_fw-v4.0.img
 
 Licence: Redistributable. See LICENCE.Marvell for details.
 
diff --git a/mrvl/prestera/mvsw_prestera_fw-v4.0.img b/mrvl/prestera/mvsw_prestera_fw-v4.0.img
new file mode 100644
index 0000000..f7c9d45
Binary files /dev/null and b/mrvl/prestera/mvsw_prestera_fw-v4.0.img differ