diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index 664876a..37ce1ba 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -378,7 +378,7 @@
 	default 0x1000
 
 config CBFS_SIZE
-	default 0x200000
+	default 0x400000
 
 config PRERAM_CBMEM_CONSOLE_SIZE
 	hex