diff --git a/Gemfile b/Gemfile
index 8b3554ebe..16becab50 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 ruby '>= 2.3.0', '< 2.7.0' if Bundler::VERSION >= '1.12.0'
 gem "bundler", ">= 1.5.0"
 
-gem 'rails', '5.2.6.2'
+gem 'rails', '5.2.6.3'
 gem 'sprockets', '~> 3.7.2' if RUBY_VERSION < '2.5'
 gem 'globalid', '~> 0.4.2' if Gem.ruby_version < Gem::Version.new('2.6.0')
 gem "rouge", "~> 3.12.0"