diff --git a/Gemfile.lock b/Gemfile.lock
index 78f214b2..c6828896 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,23 +1,23 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.4.3)
+    activesupport (5.2.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    addressable (2.8.4)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
-    autoprefixer-rails (10.4.13.0)
+    autoprefixer-rails (10.4.7.0)
       execjs (~> 2)
-    backports (3.24.1)
+    backports (3.23.0)
     chronic (0.10.2)
     chunky_png (1.4.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    commonmarker (0.23.9)
+    commonmarker (0.23.7)
     compass (1.0.3)
       chunky_png (~> 1.2)
       compass-core (~> 1.0.2)
@@ -30,8 +30,8 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.2.2)
-    contracts (0.16.1)
+    concurrent-ruby (1.2.0)
+    contracts (0.13.0)
     dotenv (2.8.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
@@ -44,7 +44,7 @@ GEM
     fast_blank (1.0.1)
     fastimage (2.2.6)
     ffi (1.15.5)
-    govuk_tech_docs (3.3.1)
+    govuk_tech_docs (3.3.0)
       autoprefixer-rails (~> 10.2)
       chronic (~> 0.10.2)
       middleman (~> 4.0)
@@ -72,35 +72,35 @@ GEM
       typhoeus (~> 1.3)
       yell (~> 2.0)
     http_parser.rb (0.8.0)
-    i18n (1.6.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     kramdown (2.4.0)
       rexml
-    listen (3.8.0)
-      rb-fsevent (~> 0.10, >= 0.10.3)
-      rb-inotify (~> 0.9, >= 0.9.10)
+    listen (3.0.8)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     memoist (0.16.2)
     mercenary (0.4.0)
-    middleman (4.4.3)
+    middleman (4.3.11)
       coffee-script (~> 2.2)
-      haml (>= 4.0.5, < 6.0)
+      haml (>= 4.0.5)
       kramdown (>= 2.3.0)
-      middleman-cli (= 4.4.3)
-      middleman-core (= 4.4.3)
+      middleman-cli (= 4.3.11)
+      middleman-core (= 4.3.11)
     middleman-autoprefixer (2.10.0)
       autoprefixer-rails (>= 9.1.4)
       middleman-core (>= 3.3.3)
-    middleman-cli (4.4.3)
+    middleman-cli (4.3.11)
       thor (>= 0.17.0, < 2.0)
     middleman-compass (4.0.1)
       compass (>= 1.0.0, < 2.0.0)
       middleman-core (>= 4.0.0)
-    middleman-core (4.4.3)
-      activesupport (>= 6.1, < 7.1)
-      addressable (~> 2.4)
+    middleman-core (4.3.11)
+      activesupport (>= 4.2, < 6.0)
+      addressable (~> 2.3)
       backports (~> 3.6)
-      bundler (~> 2.0)
-      contracts (~> 0.13)
+      bundler
+      contracts (~> 0.13.0)
       dotenv
       erubis
       execjs (~> 2.0)
@@ -108,23 +108,21 @@ GEM
       fastimage (~> 2.0)
       hamster (~> 3.0)
       hashie (~> 3.4)
-      i18n (~> 1.6.0)
-      listen (~> 3.0)
+      i18n (~> 0.9.0)
+      listen (~> 3.0.0)
       memoist (~> 0.14)
-      padrino-helpers (~> 0.15.0)
+      padrino-helpers (~> 0.13.0)
       parallel
       rack (>= 1.4.5, < 3)
       sassc (~> 2.0)
       servolux
       tilt (~> 2.0.9)
-      toml
       uglifier (~> 3.0)
-      webrick
     middleman-livereload (3.4.7)
       em-websocket (~> 0.5.1)
       middleman-core (>= 3.3)
       rack-livereload (~> 0.3.15)
-    middleman-search-gds (0.11.2)
+    middleman-search-gds (0.11.1)
       execjs (~> 2.6)
       middleman-core (>= 3.2)
       nokogiri (~> 1.6)
@@ -135,23 +133,23 @@ GEM
       middleman-core (>= 3.2)
       rouge (~> 3.2)
     mini_portile2 (2.8.1)
-    minitest (5.18.0)
+    minitest (5.17.0)
     multi_json (1.15.0)
-    nokogiri (1.14.3)
+    nokogiri (1.14.0)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     openapi3_parser (0.9.2)
       commonmarker (~> 0.17)
-    padrino-helpers (0.15.3)
-      i18n (>= 0.6.7, < 2)
-      padrino-support (= 0.15.3)
+    padrino-helpers (0.13.3.4)
+      i18n (~> 0.6, >= 0.6.7)
+      padrino-support (= 0.13.3.4)
       tilt (>= 1.4.1, < 3)
-    padrino-support (0.15.3)
-    parallel (1.23.0)
-    parslet (2.0.0)
+    padrino-support (0.13.3.4)
+      activesupport (>= 3.1)
+    parallel (1.22.1)
     public_suffix (5.0.1)
     racc (1.6.2)
-    rack (2.2.7)
+    rack (2.2.6.4)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)
@@ -171,15 +169,12 @@ GEM
     temple (0.10.0)
     thor (1.2.1)
     tilt (2.0.11)
-    toml (0.3.0)
-      parslet (>= 1.8.0, < 3.0.0)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    webrick (1.8.1)
     yell (2.2.2)
 
 PLATFORMS