diff --git a/tf_config/stm32mp1-mp13-tbb-decrypt b/tf_config/stm32mp1-mp13-tbb-decrypt
index 9755e40..46467ca 100644
--- a/tf_config/stm32mp1-mp13-tbb-decrypt
+++ b/tf_config/stm32mp1-mp13-tbb-decrypt
@@ -6,6 +6,7 @@
 DTB_FILE_NAME=stm32mp135f-dk.dtb
 ENCRYPT_BL32=1
 PLAT=stm32mp1
+PSA_FWU_SUPPORT=1
 STM32MP13=1
 STM32MP_EMMC=1
 STM32MP_SDMMC=1