diff --git a/scripts/createDevPackage.py b/scripts/createDevPackage.py
index 2bd898a9bd6..1c8b85d1437 100755
--- a/scripts/createDevPackage.py
+++ b/scripts/createDevPackage.py
@@ -122,7 +122,7 @@ def main():
     copy_regexp(build_include_regexp, arguments.build, arguments.target_directory, arguments.verbose)
 
     if arguments.sevenzip_target:
-        subprocess.check_call([arguments.sevenzip, 'a', '-mx9', arguments.sevenzip_target,
+        subprocess.check_call([arguments.sevenzip, 'a', '-mx9', '-mmt2', arguments.sevenzip_target,
             os.path.join(arguments.target_directory, '*')])
 
 if __name__ == "__main__":
diff --git a/scripts/createDistPackage.py b/scripts/createDistPackage.py
index 10207993c17..41c36f9ee97 100755
--- a/scripts/createDistPackage.py
+++ b/scripts/createDistPackage.py
@@ -58,7 +58,7 @@ def main():
             common.codesign(tempdir)
         # package
         zip_source = os.path.join(tempdir, '*') if arguments.exclude_toplevel else tempdir
-        subprocess.check_call([arguments.sevenzip, 'a',
+        subprocess.check_call([arguments.sevenzip, 'a', '-mmt2',
             arguments.target_archive, zip_source])
     finally:
         shutil.rmtree(tempdir_base)