use xz compression
@ -6,7 +6,7 @@ import subprocess
from openpilot.system.version import BUILD_METADATA_FILENAME, BuildMetadata
CASYNC_ARGS = ["--with=symlinks", "--with=permissions"]
CASYNC_ARGS = ["--with=symlinks", "--with=permissions", "--compression=xz"]
CASYNC_FILES = [BUILD_METADATA_FILENAME, ".caexclude"]