diff --git a/coreboot b/coreboot
index 9c786fa..4f613c1 160000
--- a/coreboot
+++ b/coreboot
@@ -1 +1 @@
-Subproject commit 9c786fa31049e050e302be0b5922fcdfb37fee51
+Subproject commit 4f613c1b1faed8a5b3032b71a57a99762abbb227
diff --git a/models/lemp9/coreboot.config b/models/lemp9/coreboot.config
index 01949b5..39cd742 100644
--- a/models/lemp9/coreboot.config
+++ b/models/lemp9/coreboot.config
@@ -112,7 +112,7 @@ CONFIG_MAX_REBOOT_CNT=3
 CONFIG_OVERRIDE_DEVICETREE=""
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 CONFIG_FMDFILE=""
-CONFIG_DCACHE_BSP_STACK_SIZE=0x20000
+CONFIG_DCACHE_BSP_STACK_SIZE=0x20400
 CONFIG_MMCONF_BASE_ADDRESS=0xe0000000
 CONFIG_HAVE_INTEL_FIRMWARE=y
 # CONFIG_POST_DEVICE is not set