diff --git a/scripts/ci/src_tarball.sh b/scripts/ci/src_tarball.sh
index 1055c6c481..59c448ad43 100755
--- a/scripts/ci/src_tarball.sh
+++ b/scripts/ci/src_tarball.sh
@@ -64,7 +64,7 @@ cp -r . $dst_dir
 
 cd $dst_dir
 
-./bootstrap.sh
+./bootstrap.sh -j
 mv bootstrap.sh rebootstrap.sh
 rm -f docs/AUTHORS
 rm -f docs/COPYING