diff --git a/script/lib/util.py b/script/lib/util.py
index a65321b876..040a144c44 100644
--- a/script/lib/util.py
+++ b/script/lib/util.py
@@ -84,6 +84,12 @@ def make_zip(zip_file_path, files, dirs):
       zip_file.close()
 
 
+def make_tar_xz(tar_file_path, files, dirs):
+  safe_unlink(tar_file_path)
+  allfiles = files + dirs
+  execute(['tar', '-cJf', tar_file_path] + allfiles)
+
+
 def rm_rf(path):
   try:
     shutil.rmtree(path)
diff --git a/script/zip-symbols.py b/script/zip-symbols.py
index 2b365566b3..45635a1fdc 100755
--- a/script/zip-symbols.py
+++ b/script/zip-symbols.py
@@ -6,7 +6,7 @@ import os
 import sys
 
 from lib.config import PLATFORM
-from lib.util import scoped_cwd, get_electron_version, make_zip, \
+from lib.util import scoped_cwd, get_electron_version, make_zip, make_tar_xz, \
                      get_electron_branding, get_out_dir, execute
 
 ELECTRON_VERSION = get_electron_version()
@@ -27,16 +27,15 @@ def main():
     make_zip(zip_file, licenses, dirs)
 
   if PLATFORM == 'darwin':
-    dsym_name = 'dsym.zip'
+    dsym_name = 'dsym.tar.xz'
     with scoped_cwd(args.build_dir):
       dsyms = glob.glob('*.dSYM')
       snapshot_dsyms = ['v8_context_snapshot_generator.dSYM']
       for dsym in snapshot_dsyms:
         if (dsym in dsyms):
           dsyms.remove(dsym)
-      dsym_zip_file = os.path.join(args.build_dir, dsym_name)
-      print('Making dsym zip: ' + dsym_zip_file)
-      make_zip(dsym_zip_file, licenses, dsyms)
+      dsym_tar_file = os.path.join(args.build_dir, dsym_name)
+      make_tar_xz(dsym_tar_file, licenses, dsyms)
       dsym_snapshot_name = 'dsym-snapshot.zip'
       dsym_snapshot_zip_file = os.path.join(args.build_dir, dsym_snapshot_name)
       print('Making dsym snapshot zip: ' + dsym_snapshot_zip_file)