diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af5ff18..5644e6e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
             database-password: 'root'
             database-port: '3306'
             docker-compose-file: 'docker-compose.ci.mysql.yml'
-          - ruby-version: 'jruby-9.4.2.0'
+          - ruby-version: 'jruby-9.4.15.0'
             database-adapter: 'mysql2'
             database-user: 'root'
             database-password: 'root'
@@ -37,7 +37,7 @@ jobs:
             database-password: 'postgres'
             database-port: '5432'
             docker-compose-file: 'docker-compose.ci.postgresql.yml'
-          - ruby-version: 'jruby-9.4.2.0'
+          - ruby-version: 'jruby-9.4.15.0'
             database-adapter: 'postgresql'
             database-user: 'postgres'
             database-password: 'postgres'
diff --git a/Gemfile b/Gemfile
index 4e096f7..d4178f8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,6 +12,9 @@ gemspec
 # Git. Remember to move these dependencies to your gemspec before releasing
 # your gem to rubygems.org.
 
+# Lock i18n to 1.14.x for: https://github.com/ruby-i18n/i18n/issues/735
+gem 'i18n', '~> 1.14.0'
+
 # Lock minitest to 5.x until Rails 7.1+ adds Minitest 6.0 support
 # Minitest 6.0.0 was released Dec 2024 with breaking API changes
 gem 'minitest', '~> 5.0'
diff --git a/kanaui.gemspec b/kanaui.gemspec
index 6813c42..cf35d54 100644
--- a/kanaui.gemspec
+++ b/kanaui.gemspec
@@ -26,6 +26,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'js-routes', '>= 1.1', '< 3.0'
   s.add_dependency 'killbill-assets-ui'
   s.add_dependency 'killbill-client'
-  s.add_dependency 'rails', '~> 7.0'
+  s.required_ruby_version = '>= 3.1.0'
+  s.add_dependency 'rails', '~> 7.2'
   s.add_dependency 'spinjs-rails'
 end