diff --git a/deployments/attestation/config/default-opteesp/CMakeLists.txt b/deployments/attestation/config/default-opteesp/CMakeLists.txt
index 58ecb34..7e13465 100644
--- a/deployments/attestation/config/default-opteesp/CMakeLists.txt
+++ b/deployments/attestation/config/default-opteesp/CMakeLists.txt
@@ -23,6 +23,7 @@
 set(SP_BIN_UUID_CANON "a1baf155-8876-4695-8f7c-54955e8db974")
 set(SP_FFA_UUID_CANON "${TS_RPC_UUID_CANON}")
 set(SP_HEAP_SIZE "32 * 1024" CACHE STRING "SP heap size in bytes")
+set(SP_BOOT_ORDER "5")
 set(TRACE_PREFIX "ATT" CACHE STRING "Trace prefix")
 
 target_include_directories(attestation PRIVATE
@@ -90,6 +91,7 @@
 export_sp(
 	SP_FFA_UUID_CANON ${SP_FFA_UUID_CANON}
 	SP_BIN_UUID_CANON ${SP_BIN_UUID_CANON}
+	SP_BOOT_ORDER ${SP_BOOT_ORDER}
 	SP_NAME "attestation"
 	MK_IN ${TS_ROOT}/environments/opteesp/sp.mk.in
 	DTS_IN ${CMAKE_CURRENT_LIST_DIR}/default_attestation.dts.in
diff --git a/deployments/attestation/config/default-opteesp/default_attestation.dts.in b/deployments/attestation/config/default-opteesp/default_attestation.dts.in
index 3a2ac76..e310cc6 100644
--- a/deployments/attestation/config/default-opteesp/default_attestation.dts.in
+++ b/deployments/attestation/config/default-opteesp/default_attestation.dts.in
@@ -15,6 +15,7 @@
 	exception-level = <1>; /* S-EL0 */
 	execution-state = <0>; /* AArch64 */
 	xlat-granule = <0>; /* 4KiB */
+	boot-order = /bits/ 16 <@EXPORT_SP_BOOT_ORDER@>;
 	messaging-method = <3>; /* Direct messaging only */
 	ns-interrupts-action = <2>; /* Non-secure interrupts are signaled */
 	elf-format = <1>;