diff --git a/.tool-versions b/.tool-versions
index 71a24443..8393d8db 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-ruby 3.0.2
+ruby 3.1.6
 nodejs 18.15.0
diff --git a/Dockerfile b/Dockerfile
index 17a77e3d..60c13fb3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.0.2-alpine3.13
+FROM ruby:3.1.6-alpine
 
 ENV LANG C.UTF-8
 ARG BUNDLE_GITHUB__COM
diff --git a/Gemfile b/Gemfile
index b1746ae9..a8b19ada 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-ruby "3.0.2"
+ruby "3.1.6"
 
 gem "rails", "6.1.7.7"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 55e8d28e..09784eed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,8 @@ GEM
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
     console_color (0.0.6)
-    crack (0.4.5)
+    crack (1.0.0)
+      bigdecimal
       rexml
     crass (1.0.6)
     css_parser (1.9.0)
@@ -231,7 +232,7 @@ GEM
       haml (>= 4.0.6, < 6.0)
       html2haml (>= 1.0.1)
       railties (>= 5.1)
-    hashdiff (1.0.1)
+    hashdiff (1.1.2)
     hashie (4.1.0)
     html2haml (2.2.0)
       erubis (~> 2.7.0)
@@ -253,6 +254,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    json (2.9.0)
     jwt (2.2.3)
     kaminari (1.2.1)
       activesupport (>= 4.1.0)
@@ -270,6 +272,8 @@ GEM
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
+    language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
     listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -443,20 +447,21 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.10.2)
-    rubocop (1.14.0)
+    rubocop (1.68.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.5.0, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.36.2)
       parser (>= 3.3.1.0)
-    rubocop-performance (1.11.2)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
+    rubocop-performance (1.22.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     ruby_parser (3.15.1)
@@ -529,9 +534,18 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    standard (1.1.1)
-      rubocop (= 1.14.0)
-      rubocop-performance (= 1.11.2)
+    standard (1.42.1)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.68.0)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.5)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.5.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.22.0)
     temple (0.8.2)
     thor (1.3.2)
     tilt (2.4.0)
@@ -546,8 +560,8 @@ GEM
     uniform_notifier (1.16.0)
     unleash (4.0.0)
       murmurhash3 (~> 0.1.6)
-    webmock (3.12.2)
-      addressable (>= 2.3.6)
+    webmock (3.24.0)
+      addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
     websocket (1.2.11)
@@ -625,7 +639,7 @@ DEPENDENCIES
   yarjuf
 
 RUBY VERSION
-   ruby 3.0.2p107
+   ruby 3.1.6p260
 
 BUNDLED WITH
    2.2.26
diff --git a/app/graphql/resolvers/concerns/resolvers/submissionable.rb b/app/graphql/resolvers/concerns/resolvers/submissionable.rb
index ad14a341..f2a551f6 100644
--- a/app/graphql/resolvers/concerns/resolvers/submissionable.rb
+++ b/app/graphql/resolvers/concerns/resolvers/submissionable.rb
@@ -37,7 +37,7 @@ def external_submission_id
   end
 
   def compute_error
-    return IdsNotPassed unless ids_passed?
+    IdsNotPassed unless ids_passed?
   end
 
   def ids_passed?
diff --git a/app/graphql/resolvers/offer_resolver.rb b/app/graphql/resolvers/offer_resolver.rb
index 201fd6a4..23b59394 100644
--- a/app/graphql/resolvers/offer_resolver.rb
+++ b/app/graphql/resolvers/offer_resolver.rb
@@ -24,7 +24,7 @@ def run
   private
 
   def compute_error
-    return BadArgumentError unless admin? || partner? || user?
+    BadArgumentError unless admin? || partner? || user?
   end
 
   def validate_user(offer)
diff --git a/app/helpers/submissions_helper.rb b/app/helpers/submissions_helper.rb
index 807f4ffc..17088e2e 100644
--- a/app/helpers/submissions_helper.rb
+++ b/app/helpers/submissions_helper.rb
@@ -129,7 +129,7 @@ def formatted_minimum_price_for_email(submission)
 
   def artist_supply_priority(is_p1: false, target_supply: false, **)
     return "P1" if is_p1
-    return "P2" if target_supply
+    "P2" if target_supply
   end
 
   def assignable_admin?(user)
diff --git a/app/helpers/utm_params_helper.rb b/app/helpers/utm_params_helper.rb
index 03ce9c88..0ad2b265 100644
--- a/app/helpers/utm_params_helper.rb
+++ b/app/helpers/utm_params_helper.rb
@@ -1,7 +1,7 @@
 module UtmParamsHelper
   def utm_params(source:, campaign:, **args)
     initial = {utm_campaign: campaign, utm_medium: "email", utm_source: source}
-    transformed_args = args.each_with_object({}) { |(key, value), obj| obj["utm_#{key}".to_sym] = value }
+    transformed_args = args.each_with_object({}) { |(key, value), obj| obj[:"utm_#{key}"] = value }
     initial.merge(transformed_args)
   end
 
diff --git a/app/mailers/admin_mailer.rb b/app/mailers/admin_mailer.rb
index 941ed44f..d7c53844 100644
--- a/app/mailers/admin_mailer.rb
+++ b/app/mailers/admin_mailer.rb
@@ -16,9 +16,9 @@ def submission(submission:, user:, artist:)
       )
 
     smtpapi category: %w[submission],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(
       to: Convection.config.admin_email_address,
       subject: "Submission ##{@submission.id}"
@@ -33,9 +33,9 @@ def submission_approved(submission:, artist:)
     assigned_admin = AdminUser.find_by(gravity_user_id: submission.assigned_to)
 
     smtpapi category: %w[submission],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
 
     mail(
       to: assigned_admin.email,
@@ -51,9 +51,9 @@ def submission_resubmitted(submission:, artist:)
     assigned_admin = AdminUser.find_by(gravity_user_id: submission.assigned_to)
 
     smtpapi category: %w[submission],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
 
     mail(
       to: assigned_admin.email,
@@ -72,9 +72,9 @@ def artwork_updated(submission:, artwork_data:, changes: nil, image_added: nil)
     @image_added = image_added
 
     smtpapi category: %w[submission],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
 
     mail(
       to: assigned_admin.email,
diff --git a/app/mailers/partner_mailer.rb b/app/mailers/partner_mailer.rb
index e95f4a98..cb5d6325 100644
--- a/app/mailers/partner_mailer.rb
+++ b/app/mailers/partner_mailer.rb
@@ -21,9 +21,9 @@ def submission_digest(
         content: "sub-digest-auction"
       )
     smtpapi category: %w[submission_digest],
-            unique_args: {
-              partner_name: partner_name
-            }
+      unique_args: {
+        partner_name: partner_name
+      }
 
     current_date = Time.now.utc.strftime("%B %-d")
     mail(
diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index a7b28c49..ce8dae35 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -16,9 +16,9 @@ def submission_receipt(submission:, artist:)
       )
 
     smtpapi category: %w[submission_receipt],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(
       to: submission.email,
       subject: "Thank you for submitting your artwork to Artsy",
@@ -35,9 +35,9 @@ def first_upload_reminder(submission:)
       )
 
     smtpapi category: %w[first_upload_reminder],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail to: submission.email, subject: "You're Almost Done"
   end
 
@@ -50,11 +50,11 @@ def second_upload_reminder(submission:)
       )
 
     smtpapi category: %w[second_upload_reminder],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail to: submission.email,
-         subject: "Artsy Consignments - complete your submission"
+      subject: "Artsy Consignments - complete your submission"
   end
 
   def submission_approved(submission:, artist:)
@@ -69,9 +69,9 @@ def submission_approved(submission:, artist:)
       )
 
     smtpapi category: %w[submission_approved],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(
       to: submission.email,
       subject: "Artsy Approved Submission | Next Steps"
@@ -90,9 +90,9 @@ def artist_submission_rejected(submission:, artist:)
       )
 
     smtpapi category: %w[artist_submission_rejected],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(to: submission.email, subject: "An update about your submission")
   end
 
@@ -108,9 +108,9 @@ def fake_submission_rejected(submission:, artist:)
       )
 
     smtpapi category: %w[fake_submission_rejected],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(to: submission.email, subject: "Artsy Submission")
   end
 
@@ -128,9 +128,9 @@ def nsv_bsv_submission_rejected(submission:, artist:, logged_in:)
       )
 
     smtpapi category: %w[nsv_bsv_submission_rejected],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     title = submission.title || "Unknown"
     artist_name = artist&.name
     subject = "Update on \"#{title}\" #{artist_name ? "by #{artist_name}" : ""}"
@@ -150,9 +150,9 @@ def non_target_supply_artist_rejected(submission:, artist:)
       )
 
     smtpapi category: %w[non_target_supply_artist_rejected],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(to: submission.email, subject: "An update about your submission")
   end
 
@@ -168,9 +168,9 @@ def other_submission_rejected(submission:, artist:)
       )
 
     smtpapi category: %w[other_submission_rejected],
-            unique_args: {
-              submission_id: submission.id
-            }
+      unique_args: {
+        submission_id: submission.id
+      }
     mail(to: submission.email, subject: "An update about your submission")
   end
 
diff --git a/app/models/concerns/percentize.rb b/app/models/concerns/percentize.rb
index 6ad8e8f4..6ea9e373 100644
--- a/app/models/concerns/percentize.rb
+++ b/app/models/concerns/percentize.rb
@@ -9,15 +9,15 @@ module Percentize
   class_methods do
     def percentize(*method_names)
       method_names.each do |method_name|
-        attribute "#{method_name}_whole".to_sym
+        attribute :"#{method_name}_whole"
 
-        define_method "#{method_name}_whole" do
+        define_method :"#{method_name}_whole" do
           return if self[method_name].blank?
 
           (self[method_name] * 100).round(2)
         end
 
-        define_method "#{method_name}_whole=" do |percent_whole|
+        define_method :"#{method_name}_whole=" do |percent_whole|
           if percent_whole.blank?
             self[method_name] = nil
           else
diff --git a/app/models/offer.rb b/app/models/offer.rb
index 9ed8f4a8..29217e66 100644
--- a/app/models/offer.rb
+++ b/app/models/offer.rb
@@ -82,7 +82,7 @@ def set_state
 
   # defines methods sent?, accepted?, etc. for each possible offer state
   STATES.each do |method|
-    define_method "#{method}?".to_sym do
+    define_method :"#{method}?" do
       state == method
     end
   end
diff --git a/app/models/submission.rb b/app/models/submission.rb
index c58d3783..582ce030 100644
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@@ -117,7 +117,7 @@ def sale_state
   end
 
   def sorted_images
-    images.sort_by.with_index { |a, i| a == primary_image ? -1 : i }
+    images.sort_by.with_index { |a, i| (a == primary_image) ? -1 : i }
   end
 
   def as_json(options = {})
@@ -170,7 +170,7 @@ def thumbnail
 
   # defines methods submitted?, approved?, etc. for each possible submission state
   STATES.each do |method|
-    define_method "#{method}?".to_sym do
+    define_method :"#{method}?" do
       state == method
     end
   end
diff --git a/config/application.rb b/config/application.rb
index 1b0973f2..155d4d1f 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -4,6 +4,7 @@
 
 require "rails/all"
 require_relative "../lib/jwt_middleware"
+require "ostruct"
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
diff --git a/config/initializers/application_controller_renderer.rb b/config/initializers/application_controller_renderer.rb
index f4556db3..6d56e439 100644
--- a/config/initializers/application_controller_renderer.rb
+++ b/config/initializers/application_controller_renderer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # ActiveSupport::Reloader.to_prepare do
diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
index d0f0d3b5..4b63f289 100644
--- a/config/initializers/backtrace_silencers.rb
+++ b/config/initializers/backtrace_silencers.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
index 98230c98..87fd451f 100644
--- a/config/initializers/content_security_policy.rb
+++ b/config/initializers/content_security_policy.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Define an application-wide content security policy
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index aa7435fb..dc847422 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Add new inflection rules using the following format. Inflections
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 6e1d16f0..be6fedc5 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Add new mime types for use in respond_to blocks:
diff --git a/config/initializers/permissions_policy.rb b/config/initializers/permissions_policy.rb
index 50bcf4ea..810aadeb 100644
--- a/config/initializers/permissions_policy.rb
+++ b/config/initializers/permissions_policy.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Define an application-wide HTTP permissions policy. For further
 # information see https://developers.google.com/web/updates/2018/06/feature-policy
 #
diff --git a/spec/requests/api/graphql/mutations/add_user_to_submission_spec.rb b/spec/requests/api/graphql/mutations/add_user_to_submission_spec.rb
index 4c886961..ab09ebda 100644
--- a/spec/requests/api/graphql/mutations/add_user_to_submission_spec.rb
+++ b/spec/requests/api/graphql/mutations/add_user_to_submission_spec.rb
@@ -22,7 +22,7 @@
 
     mutation = <<-GRAPHQL
         mutation {
-          addUserToSubmission(input: { id: \"#{submission.uuid}\" }) {
+          addUserToSubmission(input: { id: "#{submission.uuid}" }) {
             clientMutationId
             consignmentSubmission {
               externalId
@@ -46,7 +46,7 @@
 
     mutation = <<-GRAPHQL
         mutation {
-          addUserToSubmission(input: { id: \"#{submission.uuid}\" }) {
+          addUserToSubmission(input: { id: "#{submission.uuid}" }) {
             clientMutationId
             consignmentSubmission {
               externalId
@@ -68,7 +68,7 @@
 
     mutation = <<-GRAPHQL
         mutation {
-          addUserToSubmission(input: { id: \"#{submission.uuid}\" }) {
+          addUserToSubmission(input: { id: "#{submission.uuid}" }) {
             clientMutationId
             consignmentSubmission {
               externalId
@@ -94,7 +94,7 @@
 
     mutation = <<-GRAPHQL
         mutation {
-          addUserToSubmission(input: { id: \"#{submission.uuid}\" }) {
+          addUserToSubmission(input: { id: "#{submission.uuid}" }) {
             clientMutationId
             consignmentSubmission {
               externalId
@@ -120,7 +120,7 @@
 
     mutation = <<-GRAPHQL
         mutation {
-          addUserToSubmission(input: { id: \"#{submission.id}\" }) {
+          addUserToSubmission(input: { id: "#{submission.id}" }) {
             clientMutationId
             consignmentSubmission {
               externalId