From 289329412cd6aa2320824ac45ed1ce1cbfd3c022 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Tue, 14 Jan 2020 00:43:24 +0000
Subject: [PATCH] Merged r19425 from trunk to 4.0-stable (#32788).

git-svn-id: http://svn.redmine.org/redmine/branches/4.0-stable@19427 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 Gemfile     | 1 +
 doc/INSTALL | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Gemfile b/Gemfile
index 80b3dc402..20348b2fb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
 
+ruby '>= 2.3.0', '< 2.7.0'
 gem "bundler", ">= 1.5.0"
 
 gem "rails", "5.2.4.1"
diff --git a/doc/INSTALL b/doc/INSTALL
index 60fdcb367..4c0176e87 100644
--- a/doc/INSTALL
+++ b/doc/INSTALL
@@ -7,7 +7,7 @@ http://www.redmine.org/
 
 == Requirements
 
-* Ruby >= 2.2.2
+* Ruby 2.3, 2.4, 2.5, 2.6
 * RubyGems
 * Bundler >= 1.5.0
 
-- 
2.39.5