diff --git a/linux/br2-external-tree/configs/wally_defconfig b/linux/br2-external-tree/configs/wally_defconfig
index 8c5fc7d38..b105251e4 100644
--- a/linux/br2-external-tree/configs/wally_defconfig
+++ b/linux/br2-external-tree/configs/wally_defconfig
@@ -35,6 +35,8 @@ BR2_PACKAGE_UEMACS=y
 BR2_TARGET_ROOTFS_INITRAMFS=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_OPENSBI=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.6"
 BR2_TARGET_OPENSBI_PLAT="generic"
 # BR2_TARGET_OPENSBI_INSTALL_DYNAMIC_IMG is not set
 BR2_PACKAGE_HOST_E2FSPROGS=y