diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c854448a..44292d03 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.2.2
+          ruby-version: 3.3.4
 
       - name: Set up Node
         uses: actions/setup-node@v4
diff --git a/.nvmrc b/.nvmrc
index 18c28417..c1302226 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-20.11.0
\ No newline at end of file
+20.18.0
\ No newline at end of file
diff --git a/.rubocop.yml b/.rubocop.yml
index 96e32f92..388e8b6a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -14,7 +14,7 @@ inherit_mode:
 require: rubocop-performance
 
 AllCops:
-  TargetRubyVersion: 3.2.2
+  TargetRubyVersion: 3.3.4
 
 Style/StringLiterals:
   EnforcedStyle: single_quotes
diff --git a/.ruby-version b/.ruby-version
index 9e79f6c4..6d5369b9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.2.2
+ruby-3.3.4
diff --git a/.tool-versions b/.tool-versions
index 746152f3..e901843b 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-ruby 3.2.2
-nodejs 20.11.0
+ruby 3.3.4
+nodejs 20.18.0
 postgres 13.1
diff --git a/Dockerfile b/Dockerfile
index 585ed5f1..23512f24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # ------------------------------------------------------------------------------
 # Base - AMD64 & ARM64 compatible
 # ------------------------------------------------------------------------------
-FROM ruby:3.2.2-alpine AS base
+FROM ruby:3.3.4-alpine AS base
 
 RUN apk add --no-cache --no-progress --no-check-certificate build-base less curl tzdata gcompat
 
diff --git a/Gemfile b/Gemfile
index c21e0a0b..f94f5d81 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.2.2'
+ruby '3.3.4'
 
 gem 'puma', '~> 5.6'
 gem 'rails', '~> 7.0.8'
diff --git a/Gemfile.lock b/Gemfile.lock
index f745e96a..ea73e417 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -585,7 +585,7 @@ DEPENDENCIES
   yard-junk
 
 RUBY VERSION
-   ruby 3.2.2p53
+   ruby 3.3.4p94
 
 BUNDLED WITH
    2.4.10
diff --git a/spec/system/page_tier_spec.rb b/spec/system/page_tier_spec.rb
index 602c06ad..a1d739eb 100644
--- a/spec/system/page_tier_spec.rb
+++ b/spec/system/page_tier_spec.rb
@@ -40,13 +40,6 @@
       expect(page).to have_text('Overview')
     end
 
-    # This currently renders govuk-heading-l for this h2 (does not match styling for third tier page)
-    xit 'renders h2 as govuk-heading-m' do
-      within '#communication-and-language-resources' do
-        expect(page).to include 'govuk-heading-m'
-      end
-    end
-
     it 'has a body' do
       expect(page.body).to be_present
     end
diff --git a/uml/application.puml b/uml/application.puml
index 4143a23f..77b8d276 100644
--- a/uml/application.puml
+++ b/uml/application.puml
@@ -40,7 +40,7 @@ rectangle "Help for Early Years Providers" {
   rectangle "Sentry" as alert <<service>>
 }
 
-note left of app: Ruby 3.2.2 (alpine)
+note left of app: Ruby 3.3.4 (alpine)
 note bottom of web: Rails v7.0.8
 
 app <-- content: Preview/Delivery