diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig
index 64927f02c2..9774efed73 100644
--- a/configs/am62x_evm_a53_defconfig
+++ b/configs/am62x_evm_a53_defconfig
@@ -104,7 +104,7 @@ CONFIG_CLK_TI_SCI=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
-CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x40000
 CONFIG_SYS_DFU_MAX_FILE_SIZE=0x800000
 CONFIG_DMA_CHANNELS=y
 CONFIG_TI_K3_NAVSS_UDMA=y