diff --git a/meta-arm-bsp/conf/machine/juno.conf b/meta-arm-bsp/conf/machine/juno.conf
index 2f42dea0..8cff6c40 100644
--- a/meta-arm-bsp/conf/machine/juno.conf
+++ b/meta-arm-bsp/conf/machine/juno.conf
@@ -20,6 +20,7 @@ SERIAL_CONSOLES = "115200;ttyAMA0"
 # Use kernel provided by yocto
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_VERSION_linux-yocto ?= "5.4%"
+PREFERRED_VERSION_scp-firmware ?= "2.6%"
 PREFERRED_VERSION_trusted-firmware-a ?= "2.3%"
 PREFERRED_VERSION_u-boot ?= "2020.07"
 
diff --git a/meta-arm-bsp/conf/machine/n1sdp.conf b/meta-arm-bsp/conf/machine/n1sdp.conf
index 230c9129..1f11acd8 100644
--- a/meta-arm-bsp/conf/machine/n1sdp.conf
+++ b/meta-arm-bsp/conf/machine/n1sdp.conf
@@ -31,6 +31,8 @@ PREFERRED_VERSION_trusted-firmware-a ?= "2.3%"
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a"
 EXTRA_IMAGEDEPENDS += "virtual/control-processor-firmware"
 
+PREFERRED_VERSION_scp-firmware ?= "2.6%"
+
 #UEFI EDK2 firmware
 EXTRA_IMAGEDEPENDS += "virtual/uefi-firmware"
 
diff --git a/meta-arm-bsp/conf/machine/sgi575.conf b/meta-arm-bsp/conf/machine/sgi575.conf
index e6d447d0..7714d0d6 100644
--- a/meta-arm-bsp/conf/machine/sgi575.conf
+++ b/meta-arm-bsp/conf/machine/sgi575.conf
@@ -14,6 +14,8 @@ PREFERRED_VERSION_trusted-firmware-a ?= "2.2%"
 
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a"
 
+PREFERRED_VERSION_scp-firmware ?= "2.6%"
+
 # Use kernel provided by linaro
 KERNEL_IMAGETYPE ?= "Image"
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
diff --git a/meta-arm-bsp/conf/machine/tc0.conf b/meta-arm-bsp/conf/machine/tc0.conf
index 7776dded..8d70aad9 100644
--- a/meta-arm-bsp/conf/machine/tc0.conf
+++ b/meta-arm-bsp/conf/machine/tc0.conf
@@ -15,11 +15,12 @@ PREFERRED_VERSION_u-boot ?= "2020.07"
 # Trusted firmware A v2.3
 PREFERRED_PROVIDER_virtual/trusted-firmware-a ?= "trusted-firmware-a"
 PREFERRED_VERSION_trusted-firmware-a ?= "2.3%"
-PREFERRED_VERSION_linux-arm64-ack ?= "5.4"
-
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a"
 
+PREFERRED_VERSION_scp-firmware ?= "2.6%"
+
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-arm64-ack"
+PREFERRED_VERSION_linux-arm64-ack ?= "5.4"
 
 # Cannot use the default zImage on arm64
 KERNEL_IMAGETYPE = "Image"