diff --git a/Gemfile b/Gemfile
index 2f34ec40e8..cbfcb26d82 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,8 +22,8 @@ gem 'closed_struct'
 gem 'pg_search'
 
 # Dashboard analytics
-gem 'energy-sparks_analytics', git: 'https://github.com/Energy-Sparks/energy-sparks_analytics.git', tag: '4.1.3'
-#gem 'energy-sparks_analytics', git: 'https://github.com/Energy-Sparks/energy-sparks_analytics.git', branch: 'remove-old-tariff-attribute-configuration'
+gem 'energy-sparks_analytics', git: 'https://github.com/Energy-Sparks/energy-sparks_analytics.git', tag: '4.1.5'
+#gem 'energy-sparks_analytics', git: 'https://github.com/Energy-Sparks/energy-sparks_analytics.git', branch: 'switch-to-bug-fix-branch-of-roo'
 #gem 'energy-sparks_analytics', path: '../energy-sparks_analytics'
 
 # Using master due to it having a patch which doesn't override Enumerable#sum if it's already defined
@@ -111,7 +111,8 @@ gem "good_job", "~> 3.4.6"
 gem 'delegated_type'
 
 # Spreadsheet parsing
-gem 'roo'
+# Switch to custom branch that incorporates some necessary bug fixes
+gem 'roo', git: 'https://github.com/Energy-Sparks/roo.git', branch: 'bug-fix-branch'
 gem 'roo-xls'
 
 # Used to handle mail processing for the admin mailer
diff --git a/Gemfile.lock b/Gemfile.lock
index 629dac0448..34fa4b9039 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/Energy-Sparks/energy-sparks_analytics.git
-  revision: 37fb1339283e917b935061f9f8a620a7e6656fc9
-  tag: 4.1.3
+  revision: cbbfad533ac9a0c1454f233fbf4c698f6e36318c
+  tag: 4.1.5
   specs:
     energy-sparks_analytics (1.2.1)
       activesupport (>= 6.0, < 7.1)
@@ -14,7 +14,7 @@ GIT
       interpolate (~> 0.3.0)
       pry-byebug
       require_all (~> 2.0.0)
-      roo (~> 2.7.1)
+      roo
       roo-xls (~> 1.2.0)
       rspec
       ruby-limiter (~> 1.1.0)
@@ -25,6 +25,15 @@ GIT
       structured_warnings (~> 0.3.0)
       write_xlsx (>= 0.85.5, < 1.12.0)
 
+GIT
+  remote: https://github.com/Energy-Sparks/roo.git
+  revision: 058a8e3d1c711c04c59a686805bbe1962d2b2ed1
+  branch: bug-fix-branch
+  specs:
+    roo (2.10.0)
+      nokogiri (~> 1)
+      rubyzip (>= 1.3.0, < 3.0.0)
+
 GIT
   remote: https://github.com/Energy-Sparks/statsample
   revision: e3de8a332546ca0506938f49f8a9f92762aee737
@@ -531,9 +540,6 @@ GEM
     rgeo-geojson (2.1.1)
       rgeo (>= 1.0.0)
     rollbar (3.3.0)
-    roo (2.7.1)
-      nokogiri (~> 1)
-      rubyzip (~> 1.1, < 2.0.0)
     roo-xls (1.2.0)
       nokogiri
       roo (>= 2.0.0, < 3)
@@ -797,7 +803,7 @@ DEPENDENCIES
   rb-readline
   rgeo-geojson
   rollbar
-  roo
+  roo!
   roo-xls
   rspec-json_expectations
   rspec-rails (~> 5.1.2)
diff --git a/lib/tasks/deployment/20231107114150_new_british_gas_format.rake b/lib/tasks/deployment/20231107114150_new_british_gas_format.rake
new file mode 100644
index 0000000000..9f4dc22611
--- /dev/null
+++ b/lib/tasks/deployment/20231107114150_new_british_gas_format.rake
@@ -0,0 +1,24 @@
+namespace :after_party do
+  desc 'Deployment task: new_british_gas_format'
+  task new_british_gas_format: :environment do
+    puts "Running deploy task 'new_british_gas_format'"
+
+    config = {}
+    config['description'] = "British Gas (New)"
+    config['identifier'] = 'british-gas-new'
+    config['number_of_header_rows'] = 3
+    config['header_example'] = "Customer,URN,Site Name,Address Line 1,MPAN/MPRN/SPID,Reading Date,Data Quality(% Complete),Consumption (kWh),00:00,00:30,01:00,01:30,02:00,02:30,03:00,03:30,04:00,04:30,05:00,05:30,06:00,06:30,07:00,07:30,08:00,08:30,09:00,09:30,10:00,10:30,11:00,11:30,12:00,12:30,13:00,13:30,14:00,14:30,15:00,15:30,16:00,16:30,17:00,17:30,18:00,18:30,19:00,19:30,20:00,20:30,21:00,21:30,22:00,22:30,23:00,23:30"
+    config['date_format'] = "%d/%m/%Y" # e.g. 16/10/2023
+    config['mpan_mprn_field'] = 'MPAN/MPRN/SPID'
+    config['reading_date_field'] = 'Reading Date'
+    config['reading_fields'] = "00:00,00:30,01:00,01:30,02:00,02:30,03:00,03:30,04:00,04:30,05:00,05:30,06:00,06:30,07:00,07:30,08:00,08:30,09:00,09:30,10:00,10:30,11:00,11:30,12:00,12:30,13:00,13:30,14:00,14:30,15:00,15:30,16:00,16:30,17:00,17:30,18:00,18:30,19:00,19:30,20:00,20:30,21:00,21:30,22:00,22:30,23:00,23:30".split(",")
+    config['total_field'] = 'Consumption (kWh)'
+    config['notes'] = 'This is the new updated British Gas format'
+    AmrDataFeedConfig.create!(config)
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end