diff --git a/Gemfile b/Gemfile
index 6bcec97ad..b34061a26 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 source 'https://rubygems.org'
-ruby '>= 2.5.0', '< 3.1.0'
+ruby '>= 2.6.0', '< 3.1.0'
 
 gem 'pkg-config', '~> 1.4'
 gem 'rexml', '~> 3.2'