diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 567469cf0..1f466d72f 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -7,7 +7,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [3.1]
+        ruby: [3.1, 3.3, 3.4]
 
     steps:
       - uses: actions/checkout@v4
@@ -16,7 +16,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
 
       - name: Build the docker-compose stack
         run: docker compose up -d
diff --git a/.rubocop.yml b/.rubocop.yml
index 323fc773d..b3c2c864b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -22,7 +22,7 @@ AllCops:
     - "node_modules/**/*"
   ExtraDetails: true
   NewCops: enable
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.4
 
 # readability is Actually Good
 Layout/EmptyLinesAroundClassBody:
diff --git a/.tool-versions b/.tool-versions
index 2cdace767..27ea5b5c8 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-yarn 1.22.19
-ruby 3.1.4
-nodejs 18.15.0
+yarn 1.22.22
+ruby 3.3.5
+nodejs 22.14.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3abcbcf4..669753791 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ New entries in this file should aim to provide a meaningful amount of informatio
 
 ### Changed
 * skip brakeman Remove brakeman's ruby EOL check
+* bump Ruby 3.4 [ualbertalib/library_applications_development#163](https://github.com/ualbertalib/library_applications_development/issues/163)
 * silence deprecation warnings when running tests
 
 ### Chores
diff --git a/Gemfile b/Gemfile
index c45a1e6c0..a716d8ef6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '>= 3.1.4', '< 3.2'
+ruby '>= 3.1.4', '< 3.5'
 
 # Core Rails stuff
 gem 'image_processing' # for ActiveStorage Variants
@@ -50,6 +50,7 @@ gem 'sidekiq-unique-jobs', '~> 8.0'
 # Misc Utilities
 gem 'aasm' # state-machine management
 gem 'addressable', '~> 2.8.7' # Replacement for the standard URI implementation
+gem 'csv', '~> 3.3', '>= 3.3.2' # CSV parsing
 gem 'datacite-client', github: 'ualbertalib/datacite-client', tag: 'v0.1.0', require: 'datacite'
 gem 'differ' # Used to diff two strings
 gem 'draper'
@@ -59,6 +60,7 @@ gem 'flipper-active_record', '~> 1.3.2' # Store feature flags in ActiveRecord
 gem 'flipper-ui', '~> 1.3.2' # UI for feature flags
 gem 'jbuilder' # generate JSON objects
 gem 'kaminari' # Pagination
+gem 'ostruct', '~> 0.6.1' # similar to hash
 gem 'paper_trail', '~> 15.2.0' # Track object changes
 gem 'ransack', '4.3.0' # ActiveRecord search/filter
 gem 'redcarpet', '~> 3.6', require: ['redcarpet', 'redcarpet/render_strip'] # Markdown to (X)HTML parser
diff --git a/Gemfile.lock b/Gemfile.lock
index 3b48d5bb9..98e640325 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,6 +185,7 @@ GEM
       unicode (>= 0.4.4.5)
     cssbundling-rails (1.4.1)
       railties (>= 6.0.0)
+    csv (3.3.2)
     danger (9.5.1)
       base64 (~> 0.2)
       claide (~> 1.0)
@@ -394,6 +395,7 @@ GEM
       ruby-saml (~> 1.17)
     open4 (1.3.4)
     os (1.1.4)
+    ostruct (0.6.1)
     paper_trail (15.2.0)
       activerecord (>= 6.1)
       request_store (~> 1.4)
@@ -665,6 +667,7 @@ DEPENDENCIES
   clamby
   connection_pool
   cssbundling-rails
+  csv (~> 3.3, >= 3.3.2)
   danger (~> 9.5)
   datacite-client!
   debug
@@ -690,6 +693,7 @@ DEPENDENCIES
   omniauth (~> 2.1)
   omniauth-rails_csrf_protection (~> 1.0)
   omniauth-saml (~> 2.2)
+  ostruct (~> 0.6.1)
   paper_trail (~> 15.2.0)
   pg (~> 1.5.9)
   puma (~> 6.6)
@@ -726,7 +730,7 @@ DEPENDENCIES
   wicked
 
 RUBY VERSION
-   ruby 3.1.4p223
+   ruby 3.4.1p0
 
 BUNDLED WITH
    2.6.3
diff --git a/config/brakeman.yml b/config/brakeman.yml
index 322269f6f..7c1265539 100644
--- a/config/brakeman.yml
+++ b/config/brakeman.yml
@@ -2,5 +2,4 @@
 :run_all_checks: true
 :skip_checks:
         - CheckUnscopedFind
-        - CheckEOLRuby
 :github_repo: ualbertalib/jupiter
diff --git a/lib/tasks/digitization_batch_ingest.rake b/lib/tasks/digitization_batch_ingest.rake
index b5e94ccf8..dc1135bdb 100644
--- a/lib/tasks/digitization_batch_ingest.rake
+++ b/lib/tasks/digitization_batch_ingest.rake
@@ -41,7 +41,7 @@ namespace :digitization do
       # - Give `title` 80 characters of space.
       # - `processing` should be the longest `status`
       # - batch `size` should be pretty small to ensure that the jobs can finish in a timely manner
-      puts format '%38s,%80s,%12s,%7s', 'id', 'title', 'status', 'size'
+      puts format '%38s,%80s,%12s,%7d', 'id', 'title', 'status', 'size'
       Digitization::BatchMetadataIngest.order(created_at: :desc).limit(limit).each do |batch_ingest|
         puts format '%38s,%80s,%12s,%7d', batch_ingest.id, batch_ingest.title, batch_ingest.status,
                     batch_ingest.books.count