diff --git a/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend b/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
index feab2c1..21ee4da 100644
--- a/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
+++ b/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
@@ -2,3 +2,6 @@
 BMC_RO_MTD = "alt-bmc+bmc"
 BMC_KERNEL_MTD = "bmc"
 BMC_RW_SIZE = "0x600000"
+
+# Enable signature verification by DISTRO_FEATURE obmc-ubi-fs
+PACKAGECONFIG_append_df-obmc-ubi-fs = " verify_signature"