diff --git a/configs/roc_pc_rk3399_defconfig b/configs/roc_pc_rk3399_defconfig
index dfbc5e4f47..ae7cf19a80 100644
--- a/configs/roc_pc_rk3399_defconfig
+++ b/configs/roc_pc_rk3399_defconfig
@@ -45,7 +45,7 @@ BR2_TARGET_GENERIC_HOSTNAME="roc-rk3399-pc"
 BR2_TARGET_GENERIC_ISSUE="Welcome to ROC-RK3399-PC!"
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_SIZE="64M"
+BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_GENIMAGE=y
 BR2_PACKAGE_HOST_MTOOLS=y