diff --git a/app/models/form/lettings/pages/person_known.rb b/app/models/form/lettings/pages/person_known.rb
index 6e699926d..ec98bde9b 100644
--- a/app/models/form/lettings/pages/person_known.rb
+++ b/app/models/form/lettings/pages/person_known.rb
@@ -2,7 +2,10 @@ class Form::Lettings::Pages::PersonKnown < ::Form::Page
   def initialize(id, hsh, subsection, person_index:)
     super(id, hsh, subsection)
     @id = "person_#{person_index}_known"
-    @depends_on = (person_index..8).map { |index| { "hhmemb" => index } }
+    @depends_on = [{ "hhmemb" => {
+      "operator" => ">=",
+      "operand" => @person_index,
+    } }]
     @person_index = person_index
   end
 
diff --git a/spec/models/validations/household_validations_spec.rb b/spec/models/validations/household_validations_spec.rb
index 9848afd67..0f874dcc5 100644
--- a/spec/models/validations/household_validations_spec.rb
+++ b/spec/models/validations/household_validations_spec.rb
@@ -252,18 +252,18 @@ RSpec.describe Validations::HouseholdValidations do
       record.hhmemb = 0
       household_validator.validate_numeric_min_max(record)
       expect(record.errors["hhmemb"])
-        .to include(match I18n.t("validations.shared.numeric.within_range", field: "Number of household members", min: 1, max: 8))
+        .to include(match I18n.t("validations.shared.numeric.within_range", field: "Number of household members", min: 1, max: 15))
     end
 
-    it "validates that the number of household members cannot be more than 8" do
-      record.hhmemb = 9
+    it "validates that the number of household members cannot be more than 15" do
+      record.hhmemb = 16
       household_validator.validate_numeric_min_max(record)
       expect(record.errors["hhmemb"])
-        .to include(match I18n.t("validations.shared.numeric.within_range", field: "Number of household members", min: 1, max: 8))
+        .to include(match I18n.t("validations.shared.numeric.within_range", field: "Number of household members", min: 1, max: 15))
     end
 
-    it "expects that the number of other household members is between the min and max" do
-      record.hhmemb = 5
+    it "expects that the number of household members is between the min and max" do
+      record.hhmemb = 11
       household_validator.validate_numeric_min_max(record)
       expect(record.errors["hhmemb"]).to be_empty
     end