diff --git a/configs/socfpga_vining_fpga_defconfig b/configs/socfpga_vining_fpga_defconfig
index 3984b9b..174494c 100644
--- a/configs/socfpga_vining_fpga_defconfig
+++ b/configs/socfpga_vining_fpga_defconfig
@@ -53,6 +53,7 @@
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x1000000
 CONFIG_DWAPB_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_LED_STATUS=y