diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92eb554..dcd2383 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,15 @@
 This app presents the landing page experience for landregistry.data.gov.uk,
 including the SPARQL Qonsole
 
+## 1.7.6 - 2024-06
+
+- (Jon) - Updated the deployment.yaml file to mirror the new branch names post
+  branch cleanup.
+- (Jon) Reconfigured the `detailed documentation` links, both english and welsh,
+  to point to the `app/doc/ppd` path; alongside adding tests querying the new
+  route to ensure the route is valid and contains the expected content. All
+  redirections for any old routes will now handled by the proxy server.
+
 ## 1.7.5 - 2023-11-23
 
 - (Jon) Updated the `lr_common_styles` gem to the latest 1.9.3 patch release.
diff --git a/Dockerfile b/Dockerfile
index c7ba76b..11d86f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --update \
     nodejs \
     tzdata \
     && rm -rf /var/cache/apk/* \
-    && gem update --system \
+    && gem update --system 3.4.22 \
     && gem install bundler:$BUNDLER_VERSION \
     && bundle config --global frozen 1
 
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 7dc66f6..9df9271 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -28,5 +28,4 @@ def set_locale
   def change_default_caching_policy
     expires_in 5.minutes, public: true, must_revalidate: true if Rails.env.production?
   end
-
 end
diff --git a/app/lib/version.rb b/app/lib/version.rb
index 30b1795..4b828a8 100644
--- a/app/lib/version.rb
+++ b/app/lib/version.rb
@@ -3,7 +3,7 @@
 module Version
   MAJOR = 1
   MINOR = 7
-  REVISION = 5
+  REVISION = 6
   SUFFIX = nil
   VERSION = "#{MAJOR}.#{MINOR}.#{REVISION}#{SUFFIX && ".#{SUFFIX}"}"
 end
diff --git a/app/views/landing/_index_cy.html.haml b/app/views/landing/_index_cy.html.haml
index aec224b..bcdadcb 100644
--- a/app/views/landing/_index_cy.html.haml
+++ b/app/views/landing/_index_cy.html.haml
@@ -91,8 +91,7 @@
     %h3.heading-small Gwybodaeth bellach
     %ul.list.list-bullet
       %li
-        = link_to( ppd_doc_path ) do
-          dogfennaeth fanwl
+        = link_to('dogfennaeth fanwl', '/app/doc/ppd')
         am y Data Pris a Dalwyd, y model data, a defnyddio’r data.
 
     %h2#standard-reports.heading-medium Lluniwr Adroddiad Safonol
diff --git a/app/views/landing/_index_en.html.haml b/app/views/landing/_index_en.html.haml
index 08bb6bc..bd47045 100644
--- a/app/views/landing/_index_en.html.haml
+++ b/app/views/landing/_index_en.html.haml
@@ -91,8 +91,7 @@
     %h3.heading-small Further information
     %ul.list.list-bullet
       %li
-        = link_to( ppd_doc_path ) do
-          detailed documentation
+        = link_to('detailed documentation', '/app/doc/ppd')
         about the Price Paid Data, the data model, and using the data.
 
     %h2#standard-reports.heading-medium Standard Report Builder
diff --git a/config/initializers/sentry.rb b/config/initializers/sentry.rb
index 623e854..ae6a3ce 100644
--- a/config/initializers/sentry.rb
+++ b/config/initializers/sentry.rb
@@ -3,7 +3,7 @@
 if ENV['SENTRY_API_KEY']
   Sentry.init do |config|
     config.dsn = ENV['SENTRY_API_KEY']
-    config.environment = ENV['DEPLOYMENT_ENVIRONMENT'] || Rails.env
+    config.environment = ENV.fetch('DEPLOYMENT_ENVIRONMENT') { Rails.env }
     config.enabled_environments = %w[production]
     config.release = Version::VERSION
     config.breadcrumbs_logger = %i[active_support_logger http_logger]
diff --git a/deployment.yaml b/deployment.yaml
index 012ee5d..3b73b17 100644
--- a/deployment.yaml
+++ b/deployment.yaml
@@ -8,7 +8,7 @@ deployments:
   - branch: "preprod"
     deploy: "preprod"
     publish: "preprod"
-  - branch: "dev-infrastructure"
+  - branch: "dev"
     deploy: "dev"
     publish: "dev"
   - branch: "[a-zA-Z0-9]+"
diff --git a/test/integration/documentation_test.rb b/test/integration/documentation_test.rb
index bb212a5..6f5d519 100644
--- a/test/integration/documentation_test.rb
+++ b/test/integration/documentation_test.rb
@@ -14,8 +14,14 @@ class DocumentationTest < ActionDispatch::IntegrationTest
     assert_equal(302, response.status)
   end
 
-  test 'PPD docs page' do
-    get '/doc/ppd'
+  test 'ppd_doc_path variable links correctly' do
+    get ppd_doc_path
+    assert_response :success
+  end
+
+  test 'ppd doc loads correctly' do
+    get ppd_doc_path
     assert_select 'h1', 'Price Paid Linked Data'
+    assert_select 'h2', 'What does the Price Paid Dataset consist of?'
   end
 end