diff --git a/Gemfile.lock b/Gemfile.lock
index 1893098..81d66d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,17 +1,24 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.8.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+    activesupport (7.2.3.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
       i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
+      logger (>= 1.4.2)
+      minitest (>= 5.1, < 6)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     autoprefixer-rails (10.4.21.0)
       execjs (~> 2)
-    backports (3.25.1)
     base64 (0.3.0)
+    benchmark (0.5.0)
     bigdecimal (3.2.3)
     chronic (0.10.2)
     chunky_png (1.4.0)
@@ -33,13 +40,15 @@ GEM
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.3.4)
+    connection_pool (3.0.2)
     contracts (0.16.1)
     csv (3.3.5)
     dotenv (3.1.8)
+    drb (2.2.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    erubis (2.7.0)
+    erubi (1.13.1)
     eventmachine (1.2.7)
     execjs (2.10.0)
     fast_blank (1.0.1)
@@ -73,7 +82,7 @@ GEM
     google-protobuf (4.32.1-x86_64-linux-musl)
       bigdecimal
       rake (>= 13)
-    govuk_tech_docs (5.1.0)
+    govuk_tech_docs (5.2.2)
       autoprefixer-rails (~> 10.2)
       base64
       bigdecimal
@@ -81,7 +90,7 @@ GEM
       concurrent-ruby (= 1.3.4)
       csv
       haml (~> 6.0)
-      middleman (= 4.5.1)
+      middleman (~> 4.6.1)
       middleman-autoprefixer (~> 2.10)
       middleman-compass (~> 4.0)
       middleman-livereload
@@ -102,7 +111,7 @@ GEM
       concurrent-ruby (~> 1.0)
     hashie (3.6.0)
     http_parser.rb (0.8.0)
-    i18n (1.6.0)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
@@ -111,44 +120,44 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
     memoist (0.16.2)
-    middleman (4.5.1)
-      coffee-script (~> 2.2)
-      haml (>= 4.0.5)
-      kramdown (>= 2.3.0)
-      middleman-cli (= 4.5.1)
-      middleman-core (= 4.5.1)
+    middleman (4.6.3)
+      middleman-cli (= 4.6.3)
+      middleman-core (= 4.6.3)
     middleman-autoprefixer (2.10.0)
       autoprefixer-rails (>= 9.1.4)
       middleman-core (>= 3.3.3)
-    middleman-cli (4.5.1)
-      thor (>= 0.17.0, < 1.3.0)
+    middleman-cli (4.6.3)
+      thor (>= 0.17.0, < 2)
     middleman-compass (4.0.1)
       compass (>= 1.0.0, < 2.0.0)
       middleman-core (>= 4.0.0)
-    middleman-core (4.5.1)
-      activesupport (>= 6.1, < 7.1)
+    middleman-core (4.6.3)
+      activesupport (>= 6.1)
       addressable (~> 2.4)
-      backports (~> 3.6)
-      bundler (~> 2.0)
-      contracts (~> 0.13, < 0.17)
+      bundler (> 2.0)
+      coffee-script (~> 2.2)
+      contracts
       dotenv
-      erubis
+      erubi
       execjs (~> 2.0)
       fast_blank
       fastimage (~> 2.0)
+      haml (>= 4.0.5, < 7)
       hamster (~> 3.0)
-      hashie (~> 3.4)
-      i18n (~> 1.6.0)
+      hashie (>= 3.4, < 6.0)
+      i18n (>= 1.6, < 1.15)
+      kramdown (~> 2.4)
       listen (~> 3.0)
       memoist (~> 0.14)
-      padrino-helpers (~> 0.15.0)
+      padrino-helpers (>= 0.15, < 0.17)
       parallel
-      rack (>= 1.4.5, < 3)
+      rack (>= 3)
+      rackup
       sassc (~> 2.0)
       servolux
-      tilt (~> 2.0.9)
+      tilt (~> 2.2)
       toml
-      uglifier (~> 3.0)
+      uglifier (>= 3, < 5)
       webrick
     middleman-livereload (3.4.7)
       em-websocket (~> 0.5.1)
@@ -164,7 +173,7 @@ GEM
     middleman-syntax (3.6.1)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    minitest (5.25.5)
+    minitest (5.27.0)
     multi_json (1.17.0)
     mutex_m (0.3.0)
     nokogiri (1.19.1-aarch64-linux-gnu)
@@ -194,9 +203,11 @@ GEM
     parslet (2.0.0)
     public_suffix (6.0.2)
     racc (1.8.1)
-    rack (2.2.23)
+    rack (3.2.6)
     rack-livereload (0.3.17)
       rack
+    rackup (2.3.1)
+      rack (>= 3)
     rake (13.3.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
@@ -225,6 +236,7 @@ GEM
       ffi (~> 1.9)
     sassc-embedded (1.78.0)
       sass-embedded (~> 1.78)
+    securerandom (0.4.1)
     servolux (0.13.0)
     sprockets (4.2.2)
       concurrent-ruby (~> 1.0)
@@ -234,7 +246,7 @@ GEM
     terser (1.2.6)
       execjs (>= 0.3.0, < 3)
     thor (1.2.2)
-    tilt (2.0.11)
+    tilt (2.7.0)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
     tzinfo (2.0.6)