+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: CC-BY-SA-3.0
+
source 'https://rubygems.org'
gem 'zenweb'
-gem 'liquid'
+gem 'liquid', '~>4.0.0'
gem 'RedCloth'
-gem 'colorize'
\ No newline at end of file
+gem 'colorize'