diff --git a/.travis.yml b/.travis.yml
index efcb5652..9538ed4c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,13 +32,15 @@ matrix:
     - rvm: 2.1.10
       gemfile: gemfiles/Gemfile.rails-5.2.x
 
-    # Rails 6+ requires Ruby >= 2.4
+    # Rails 6+ requires Ruby >= 2.5
     - rvm: 2.1.10
       gemfile: gemfiles/Gemfile.rails-master
     - rvm: 2.2.8
       gemfile: gemfiles/Gemfile.rails-master
     - rvm: 2.3.7
       gemfile: gemfiles/Gemfile.rails-master
+    - rvm: 2.4.5
+      gemfile: gemfiles/Gemfile.rails-master
   allow_failures:
     - rvm: rbx
     - rvm: jruby
diff --git a/i18n.gemspec b/i18n.gemspec
index c52b2e8b..861bf3b8 100644
--- a/i18n.gemspec
+++ b/i18n.gemspec
@@ -35,7 +35,7 @@ HEADS UP! i18n 1.1 changed fallbacks to exclude default locale.
 But that may break your application.
 
 Please check your Rails app for 'config.i18n.fallbacks = true'.
-If you're using I18n 1.1.x and Rails (< 6.0), this should be
+If you're using I18n (>= 1.1.0) and Rails (< 5.2.2), this should be
 'config.i18n.fallbacks = [I18n.default_locale]'.
 If not, fallbacks will be broken in your app by I18n 1.1.x.
 
diff --git a/lib/i18n/version.rb b/lib/i18n/version.rb
index 08144dc6..d6c33c81 100644
--- a/lib/i18n/version.rb
+++ b/lib/i18n/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module I18n
-  VERSION = "1.2.0"
+  VERSION = "1.3.0"
 end