diff --git a/Gemfile b/Gemfile
index 0e2c512f3..e7c73a80a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "rails", "7.2.2"
+gem "rails", "8.0.1"
 
 # GOV.UK gems and forks
 gem "gds-api-adapters"
diff --git a/Gemfile.lock b/Gemfile.lock
index b4c58e5dd..3b2ac20f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,46 +1,45 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.2.2)
-      actionpack (= 7.2.2)
-      activesupport (= 7.2.2)
+    actioncable (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (7.2.2)
-      actionpack (= 7.2.2)
-      activejob (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionmailbox (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
-    actionmailer (7.2.2)
-      actionpack (= 7.2.2)
-      actionview (= 7.2.2)
-      activejob (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionmailer (8.0.1)
+      actionpack (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (7.2.2)
-      actionview (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionpack (8.0.1)
+      actionview (= 8.0.1)
+      activesupport (= 8.0.1)
       nokogiri (>= 1.8.5)
-      racc
-      rack (>= 2.2.4, < 3.2)
+      rack (>= 2.2.4)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (7.2.2)
-      actionpack (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    actiontext (8.0.1)
+      actionpack (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.2.2)
-      activesupport (= 7.2.2)
+    actionview (8.0.1)
+      activesupport (= 8.0.1)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
@@ -50,24 +49,24 @@ GEM
       activemodel (>= 4.1)
       case_transform (>= 0.2)
       jsonapi-renderer (>= 0.1.1.beta1, < 0.3)
-    activejob (7.2.2)
-      activesupport (= 7.2.2)
+    activejob (8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.3.6)
-    activemodel (7.2.2)
-      activesupport (= 7.2.2)
-    activerecord (7.2.2)
-      activemodel (= 7.2.2)
-      activesupport (= 7.2.2)
+    activemodel (8.0.1)
+      activesupport (= 8.0.1)
+    activerecord (8.0.1)
+      activemodel (= 8.0.1)
+      activesupport (= 8.0.1)
       timeout (>= 0.4.0)
     activerecord-import (2.0.0)
       activerecord (>= 4.2)
-    activestorage (7.2.2)
-      actionpack (= 7.2.2)
-      activejob (= 7.2.2)
-      activerecord (= 7.2.2)
-      activesupport (= 7.2.2)
+    activestorage (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activesupport (= 8.0.1)
       marcel (~> 1.0)
-    activesupport (7.2.2)
+    activesupport (8.0.1)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -79,6 +78,7 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     amq-protocol (2.3.2)
@@ -329,7 +329,7 @@ GEM
     mutex_m (0.3.0)
     net-http (0.6.0)
       uri
-    net-imap (0.5.1)
+    net-imap (0.5.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -606,20 +606,20 @@ GEM
       rack (>= 1.3)
     rackup (2.2.1)
       rack (>= 3)
-    rails (7.2.2)
-      actioncable (= 7.2.2)
-      actionmailbox (= 7.2.2)
-      actionmailer (= 7.2.2)
-      actionpack (= 7.2.2)
-      actiontext (= 7.2.2)
-      actionview (= 7.2.2)
-      activejob (= 7.2.2)
-      activemodel (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    rails (8.0.1)
+      actioncable (= 8.0.1)
+      actionmailbox (= 8.0.1)
+      actionmailer (= 8.0.1)
+      actionpack (= 8.0.1)
+      actiontext (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activemodel (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       bundler (>= 1.15.0)
-      railties (= 7.2.2)
+      railties (= 8.0.1)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -636,9 +636,9 @@ GEM
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (7.2.2)
-      actionpack (= 7.2.2)
-      activesupport (= 7.2.2)
+    railties (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -795,7 +795,7 @@ GEM
     thor (1.3.2)
     tilt (2.4.0)
     timecop (0.9.10)
-    timeout (0.4.2)
+    timeout (0.4.3)
     trailblazer-option (0.1.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -876,7 +876,7 @@ DEPENDENCIES
   pry-rails
   rack
   rack-proxy
-  rails (= 7.2.2)
+  rails (= 8.0.1)
   rails-controller-testing
   rails-erd
   rspec-its