diff --git a/.ruby-version b/.ruby-version
index 23887f6eba..e650c01d92 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.7
+3.2.9
diff --git a/Dockerfile b/Dockerfile
index 3927d49b13..2b4c6a94fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.7-alpine3.19 AS base
+FROM ruby:3.2.9-alpine3.19 AS base
 ENV LANG=C.UTF-8 \
     LC_ALL=C.UTF-8 \
     TZ=Europe/London \
diff --git a/Gemfile b/Gemfile
index 9e1c9a3a61..9890562f9a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ gem 'web', path: './engines/web'
 
 gem "activerecord-postgresql-adapter"
 gem "arel-helpers", "~> 2.12"
-gem "pg", "~> 1.2.3"
+gem "pg", "~> 1.2"
 
 gem 'acts_as_list', '1.0.4'
 gem 'cancancan', '~> 1.15.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index eb7ad59238..b693529828 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -557,7 +557,7 @@ GEM
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    pg (1.2.3)
+    pg (1.6.2)
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)
@@ -1023,7 +1023,7 @@ DEPENDENCIES
   paranoia (~> 2.4)
   paypal-sdk-merchant (= 1.117.2)
   pdf-reader
-  pg (~> 1.2.3)
+  pg (~> 1.2)
   private_address_check
   pry (~> 0.13.0)
   puffing-billy
@@ -1087,7 +1087,7 @@ DEPENDENCIES
   wkhtmltopdf-binary
 
 RUBY VERSION
-   ruby 3.1.7p261
+   ruby 3.2.9p265
 
 BUNDLED WITH
    2.4.3
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 47e89122ba..343f94332c 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -52,9 +52,9 @@ module ApplicationHelper
 
   # Pass URL helper calls on to spree where applicable so that we don't need to use
   # spree.foo_path in any view rendered from non-spree-namespaced controllers.
-  def method_missing(method, *args, &)
+  def method_missing(method, *, &)
     if method.to_s.end_with?('_path', '_url') && spree.respond_to?(method)
-      spree.public_send(method, *args)
+      spree.public_send(method, *)
     else
       super
     end
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index a67f8e666f..daccc28cf0 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -29,7 +29,7 @@ class ApplicationRecord < ActiveRecord::Base
     end
   end
 
-  def url_for(*args)
-    Rails.application.routes.url_helpers.url_for(*args)
+  def url_for(*)
+    Rails.application.routes.url_helpers.url_for(*)
   end
 end
diff --git a/app/models/spree/gateway.rb b/app/models/spree/gateway.rb
index 0a20269050..3cdcbc7b05 100644
--- a/app/models/spree/gateway.rb
+++ b/app/models/spree/gateway.rb
@@ -34,11 +34,11 @@ module Spree
       @provider.respond_to?(method_name, include_private) || super
     end
 
-    def method_missing(method, *args)
+    def method_missing(method, *)
       if @provider.nil? || !@provider.respond_to?(method)
         super
       else
-        provider.__send__(method, *args)
+        provider.__send__(method, *)
       end
     end
 
diff --git a/app/models/spree/user.rb b/app/models/spree/user.rb
index 94ad89ab15..b32293dbf8 100644
--- a/app/models/spree/user.rb
+++ b/app/models/spree/user.rb
@@ -56,8 +56,8 @@ module Spree
 
     # Send devise-based user emails asyncronously via ActiveJob
     # See: https://github.com/heartcombo/devise/tree/v3.5.10#activejob-integration
-    def send_devise_notification(notification, *args)
-      devise_mailer.public_send(notification, self, *args).deliver_later
+    def send_devise_notification(notification, *)
+      devise_mailer.public_send(notification, self, *).deliver_later
     end
 
     def regenerate_reset_password_token
diff --git a/spec/system/support/cuprite_helpers.rb b/spec/system/support/cuprite_helpers.rb
index 6ca079c6a5..a3dc0c8ef1 100644
--- a/spec/system/support/cuprite_helpers.rb
+++ b/spec/system/support/cuprite_helpers.rb
@@ -9,8 +9,8 @@ module CupriteHelpers
   end
 
   # Drop #debug anywhere in a test to open a Chrome inspector and pause the execution
-  def debug(*args)
-    page.driver.debug(*args)
+  def debug(*)
+    page.driver.debug(*)
   end
 
   # Use our `Capybara.save_path` to store screenshots with other capybara artifacts