diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
index feab2c1..21ee4da 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/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"
diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
index 43e363b..43e5aba 100644
--- a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
@@ -23,6 +23,8 @@
 # handles the rest.
 SYSTEMD_PACKAGES = ""
 
+PACKAGECONFIG[verify_signature] = "--enable-verify_signature,--disable-verify_signature"
+
 inherit autotools pkgconfig
 inherit obmc-phosphor-dbus-service
 inherit pythonnative