diff --git a/Gemfile.lock b/Gemfile.lock
index 8784903fd8b..36ed602f293 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -267,7 +267,7 @@ GEM
     govuk_personalisation (0.13.0)
       plek (>= 1.9.0)
       rails (>= 6, < 8)
-    govuk_publishing_components (34.9.0)
+    govuk_publishing_components (34.10.0)
       govuk_app_config
       govuk_personalisation (>= 0.7.0)
       kramdown
diff --git a/app/models/organisation_brand_colour.rb b/app/models/organisation_brand_colour.rb
index 98a9db2769c..3d2766b4845 100644
--- a/app/models/organisation_brand_colour.rb
+++ b/app/models/organisation_brand_colour.rb
@@ -162,4 +162,9 @@ def self.find(class_name)
     title: "Department for Levelling Up, Housing & Communities",
     class_name: "department-for-levelling-up-housing-and-communities",
   )
+  DepartmentForEnergySecurityAndNetZero = create!(
+    id: 32,
+    title: "Department for Energy Security and Net Zero",
+    class_name: "department-for-energy-security-and-net-zero",
+  )
 end