diff --git a/Gemfile b/Gemfile
index f28f6dee0..67b62e4ba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem "jbuilder", "~> 2.7"
 gem "bootsnap", ">= 1.4.4", require: false
 # Gov.UK frontend components
 gem "govuk-components"
-gem "govuk_design_system_formbuilder"
+gem "govuk_design_system_formbuilder", git: "https://github.com/DFE-Digital/govuk-formbuilder.git", branch: "whitelist-mergeable-html-attributes"
 gem "hotwire-rails"
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 11eff1ccd..4305e278d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,14 @@
+GIT
+  remote: https://github.com/DFE-Digital/govuk-formbuilder.git
+  revision: 353af59081f0d53cc30d7d91cf86e03dd3cbd1f0
+  branch: whitelist-mergeable-html-attributes
+  specs:
+    govuk_design_system_formbuilder (2.7.4)
+      actionview (>= 6.0)
+      activemodel (>= 6.0)
+      activesupport (>= 6.0)
+      deep_merge (~> 1.2.1)
+
 GIT
   remote: https://github.com/rspec/rspec-core.git
   revision: 053fcfeb6b0b6627edf7261737553a6f7df8cc14
@@ -147,11 +158,6 @@ GEM
       activemodel (>= 6.0)
       railties (>= 6.0)
       view_component (~> 2.39.0)
-    govuk_design_system_formbuilder (2.7.4)
-      actionview (>= 6.0)
-      activemodel (>= 6.0)
-      activesupport (>= 6.0)
-      deep_merge (~> 1.2.1)
     hotwire-rails (0.1.3)
       rails (>= 6.0.0)
       stimulus-rails
@@ -175,6 +181,8 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
+    nokogiri (1.12.4-x86_64-darwin)
+      racc (~> 1.4)
     nokogiri (1.12.4-x86_64-linux)
       racc (~> 1.4)
     overcommit (0.58.0)
@@ -332,7 +340,7 @@ DEPENDENCIES
   dotenv-rails
   factory_bot_rails
   govuk-components
-  govuk_design_system_formbuilder
+  govuk_design_system_formbuilder!
   hotwire-rails
   jbuilder (~> 2.7)
   listen (~> 3.3)
diff --git a/app/views/form/_radio_question.html.erb b/app/views/form/_radio_question.html.erb
index 82218b2a2..1805a2d68 100644
--- a/app/views/form/_radio_question.html.erb
+++ b/app/views/form/_radio_question.html.erb
@@ -7,7 +7,7 @@
       <% if key.starts_with?("divider") %>
         <%= f.govuk_radio_divider %>
       <% elsif question["conditional_for"] %>
-        <%= f.govuk_radio_button question_key, key, label: { text: val },
+        <%= f.govuk_radio_button question_key, val, label: { text: val },
             "data-controller": "conditional-question",
             "data-action": "click->conditional-question#displayConditional",
             "data-info": question["conditional_for"].to_json
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 8815212d3..ee64f40b0 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -294,8 +294,8 @@
                     "3": "Prefer not to say"
                   },
                   "conditional_for": {
-                    "armed_forces_active": ["0", "1"],
-                    "armed_forces_injured": ["0", "1"]
+                    "armed_forces_active": ["Yes - a regular", "Yes - a reserve"],
+                    "armed_forces_injured": ["Yes - a regular", "Yes - a reserve"]
                   }
                 },
                 "armed_forces_active": {
diff --git a/spec/features/case_log_spec.rb b/spec/features/case_log_spec.rb
index 4b7a650c8..9f8d6dfad 100644
--- a/spec/features/case_log_spec.rb
+++ b/spec/features/case_log_spec.rb
@@ -229,14 +229,14 @@ RSpec.describe "Test Features" do
       it "shows conditional questions if the required answer is selected and hides it again when a different answer option is selected", js: true do
         visit("/case_logs/#{id}/armed_forces")
         # Someting about our styling makes the selenium webdriver think the actual radio buttons are not visible so we allow label click here
-        choose("armed-forces-0-field", allow_label_click: true)
+        choose("armed-forces-yes-a-regular-field", allow_label_click: true)
         expect(page).to have_selector("#armed_forces_injured_div")
-        choose("armed-forces-injured-1-field", allow_label_click: true)
-        expect(find_field("armed-forces-injured-1-field", visible: false).checked?).to be_truthy
-        choose("armed-forces-2-field", allow_label_click: true)
+        choose("armed-forces-injured-no-field", allow_label_click: true)
+        expect(find_field("armed-forces-injured-no-field", visible: false).checked?).to be_truthy
+        choose("armed-forces-no-field", allow_label_click: true)
         expect(page).not_to have_selector("#armed_forces_injured_div")
-        choose("armed-forces-0-field", allow_label_click: true)
-        expect(find_field("armed-forces-injured-1-field", visible: false).checked?).to be_falsey
+        choose("armed-forces-yes-a-regular-field", allow_label_click: true)
+        expect(find_field("armed-forces-injured-no-field", visible: false).checked?).to be_falsey
       end
     end
   end