diff --git a/Kconfig b/Kconfig
index 3f7049b..254db6e 100644
--- a/Kconfig
+++ b/Kconfig
@@ -9,6 +9,7 @@
 
 # Load platform Kconfig file if exists
 osource "$(PLATFORM_PATH)/Kconfig"
+osource "$(TFM_SOURCE_DIR)/config/build_type/Kconfig.$(CMAKE_BUILD_TYPE)"
 
 ################################# System options ###############################