diff --git a/Gemfile.lock b/Gemfile.lock
index dc1a23ade..172a635cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,13 +65,14 @@ GEM
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     ast (2.4.1)
+    awesome_print (1.9.2)
     better_errors (2.7.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
-    brakeman (4.9.1)
+    brakeman (4.10.1)
     builder (3.2.4)
     capybara (3.33.0)
       addressable
@@ -85,6 +86,7 @@ GEM
     chromedriver-helper (1.2.0)
       archive-zip (~> 0.10)
       nokogiri (~> 1.8)
+    climate_control (1.0.0)
     coderay (1.1.3)
     concurrent-ruby (1.1.8)
     crack (0.4.3)
@@ -92,6 +94,7 @@ GEM
     crass (1.0.6)
     dalli (2.7.10)
     debug_inspector (0.0.3)
+    diff-lcs (1.4.4)
     docile (1.3.2)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
@@ -105,6 +108,8 @@ GEM
       ruby2_keywords
     faraday-net_http (1.0.1)
     ffi (1.13.1)
+    filelock (1.1.1)
+    find_a_port (1.0.1)
     gds-api-adapters (71.0.0)
       addressable
       link_header
@@ -128,9 +133,11 @@ GEM
       sprockets (< 4)
     govuk_schemas (4.3.0)
       json-schema (~> 2.8.0)
-    govuk_test (2.0.0)
+    govuk_test (2.1.2)
       brakeman (~> 4.6)
       capybara
+      climate_control
+      pact
       puma
       selenium-webdriver (>= 3.142)
       webdrivers (>= 4)
@@ -194,6 +201,29 @@ GEM
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     null_logger (0.0.1)
+    pact (1.57.0)
+      pact-mock_service (~> 3.0, >= 3.3.1)
+      pact-support (~> 1.15)
+      rack-test (>= 0.6.3, < 2.0.0)
+      rspec (~> 3.0)
+      term-ansicolor (~> 1.0)
+      thor (>= 0.20, < 2.0)
+      webrick (~> 1.3)
+    pact-mock_service (3.8.0)
+      filelock (~> 1.1)
+      find_a_port (~> 1.0.1)
+      json
+      pact-support (~> 1.16, >= 1.16.4)
+      rack (~> 2.0)
+      rspec (>= 2.14)
+      term-ansicolor (~> 1.0)
+      thor (>= 0.19, < 2.0)
+      webrick (~> 1.3)
+    pact-support (1.16.7)
+      awesome_print (~> 1.1)
+      diff-lcs (~> 1.4)
+      randexp (~> 0.1.7)
+      term-ansicolor (~> 1.0)
     parallel (1.19.2)
     parser (2.7.2.0)
       ast (~> 2.4.1)
@@ -203,7 +233,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.0.2)
+    puma (5.2.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -249,6 +279,7 @@ GEM
     rainbow (3.0.0)
     raindrops (0.19.1)
     rake (13.0.3)
+    randexp (0.1.7)
     regexp_parser (1.8.2)
     request_store (1.5.0)
       rack (>= 1.4)
@@ -260,6 +291,19 @@ GEM
     rexml (3.2.5)
     robotex (1.0.0)
     rouge (3.26.0)
+    rspec (3.10.0)
+      rspec-core (~> 3.10.0)
+      rspec-expectations (~> 3.10.0)
+      rspec-mocks (~> 3.10.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-support (3.10.2)
     rubocop (0.87.1)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
@@ -322,9 +366,14 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     statsd-ruby (1.5.0)
+    sync (0.5.0)
+    term-ansicolor (1.7.1)
+      tins (~> 1.0)
     thor (1.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)
+    tins (1.28.0)
+      sync
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
@@ -344,6 +393,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
+    webrick (1.7.0)
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)