diff --git a/include/image.mk b/include/image.mk
index 38005b2ab2..e62468c598 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -117,6 +117,7 @@ fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BL
 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
 fs-types-$(CONFIG_TARGET_ROOTFS_EROFS) += erofs
+fs-types-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
 
 TARGET_FILESYSTEMS := $(fs-types-y)
@@ -329,6 +330,12 @@ define Image/mkfs/erofs
 		$@ $(call mkfs_target_dir,$(1))
 endef
 
+define Image/mkfs/targz
+	$(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-C $(call mkfs_target_dir,$(1)) . | gzip -9n > $@
+endef
+
 define Image/Manifest
 	$(if $(CONFIG_USE_APK), \
 		$(call apk,$(TARGET_DIR_ORIG)) list --quiet --manifest --no-network \