diff --git a/configs/imxrt1020-evk_defconfig b/configs/imxrt1020-evk_defconfig
index 7eea093..5f9cf21 100644
--- a/configs/imxrt1020-evk_defconfig
+++ b/configs/imxrt1020-evk_defconfig
@@ -7,6 +7,7 @@
 CONFIG_SYS_MALLOC_F_LEN=0x8000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_OFFSET=0x80000
+CONFIG_SYS_MALLOC_LEN=0x100000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="imxrt1020-evk"
 CONFIG_SPL_TEXT_BASE=0x20209000