diff --git a/app/models/referral/attribution.rb b/app/models/referral/attribution.rb
index 03157f03d2..fa7dbbf54d 100644
--- a/app/models/referral/attribution.rb
+++ b/app/models/referral/attribution.rb
@@ -7,7 +7,7 @@
 #  id                  :bigint           not null, primary key
 #  created_at          :datetime         not null
 #  updated_at          :datetime         not null
-#  referral_link_id    :bigint
+#  referral_link_id    :bigint           not null
 #  referral_program_id :bigint           not null
 #  user_id             :bigint           not null
 #
diff --git a/app/models/referral/program.rb b/app/models/referral/program.rb
index 4362971937..41bbbc71f7 100644
--- a/app/models/referral/program.rb
+++ b/app/models/referral/program.rb
@@ -12,7 +12,7 @@
 #  name                 :string           not null
 #  created_at           :datetime         not null
 #  updated_at           :datetime         not null
-#  creator_id           :bigint
+#  creator_id           :bigint           not null
 #
 # Indexes
 #
diff --git a/db/migrate/20251205042110_make_referral_link_id_not_null_on_referral_attributions.rb b/db/migrate/20251205042110_make_referral_link_id_not_null_on_referral_attributions.rb
new file mode 100644
index 0000000000..b729cbf1bc
--- /dev/null
+++ b/db/migrate/20251205042110_make_referral_link_id_not_null_on_referral_attributions.rb
@@ -0,0 +1,5 @@
+class MakeReferralLinkIdNotNullOnReferralAttributions < ActiveRecord::Migration[8.0]
+  def change
+    add_check_constraint :referral_attributions, "referral_link_id IS NOT NULL", name: "referral_attributions_referral_link_id_null", validate: false
+  end
+end
diff --git a/db/migrate/20251205042130_make_creator_id_not_null_on_referral_programs.rb b/db/migrate/20251205042130_make_creator_id_not_null_on_referral_programs.rb
new file mode 100644
index 0000000000..232fcb4e0c
--- /dev/null
+++ b/db/migrate/20251205042130_make_creator_id_not_null_on_referral_programs.rb
@@ -0,0 +1,5 @@
+class MakeCreatorIdNotNullOnReferralPrograms < ActiveRecord::Migration[8.0]
+  def change
+    add_check_constraint :referral_programs, "creator_id IS NOT NULL", name: "referral_programs_creator_id_null", validate: false
+  end
+end
diff --git a/db/migrate/20251205044354_validate_make_referral_link_id_not_null_on_referral_attributions.rb b/db/migrate/20251205044354_validate_make_referral_link_id_not_null_on_referral_attributions.rb
new file mode 100644
index 0000000000..41085f5bf2
--- /dev/null
+++ b/db/migrate/20251205044354_validate_make_referral_link_id_not_null_on_referral_attributions.rb
@@ -0,0 +1,12 @@
+class ValidateMakeReferralLinkIdNotNullOnReferralAttributions < ActiveRecord::Migration[8.0]
+  def up
+    validate_check_constraint :referral_attributions, name: "referral_attributions_referral_link_id_null"
+    change_column_null :referral_attributions, :referral_link_id, false
+    remove_check_constraint :referral_attributions, name: "referral_attributions_referral_link_id_null"
+  end
+
+  def down
+    add_check_constraint :referral_attributions, "referral_link_id IS NOT NULL", name: "referral_attributions_referral_link_id_null", validate: false
+    change_column_null :referral_attributions, :referral_link_id, true
+  end
+end
diff --git a/db/migrate/20251205044631_validate_make_creator_id_not_null_on_referral_programs.rb b/db/migrate/20251205044631_validate_make_creator_id_not_null_on_referral_programs.rb
new file mode 100644
index 0000000000..9302254383
--- /dev/null
+++ b/db/migrate/20251205044631_validate_make_creator_id_not_null_on_referral_programs.rb
@@ -0,0 +1,12 @@
+class ValidateMakeCreatorIdNotNullOnReferralPrograms < ActiveRecord::Migration[8.0]
+  def up
+    validate_check_constraint :referral_programs, name: "referral_programs_creator_id_null"
+    change_column_null :referral_programs, :creator_id, false
+    remove_check_constraint :referral_programs, name: "referral_programs_creator_id_null"
+  end
+
+  def down
+    add_check_constraint :referral_programs, "creator_id IS NOT NULL", name: "referral_programs_creator_id_null", validate: false
+    change_column_null :referral_programs, :creator_id, true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 4b44024cc9..b3508af5d7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -12,7 +12,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_12_05_035167) do
+ActiveRecord::Schema[8.0].define(version: 2025_12_05_044631) do
   create_schema "google_sheets"
 
   # These are extensions that must be enabled in order to support this database
@@ -1981,7 +1981,7 @@
 
   create_table "referral_attributions", force: :cascade do |t|
     t.datetime "created_at", null: false
-    t.bigint "referral_link_id"
+    t.bigint "referral_link_id", null: false
     t.bigint "referral_program_id", null: false
     t.datetime "updated_at", null: false
     t.bigint "user_id", null: false
@@ -2005,7 +2005,7 @@
   create_table "referral_programs", force: :cascade do |t|
     t.string "background_image_url"
     t.datetime "created_at", null: false
-    t.bigint "creator_id"
+    t.bigint "creator_id", null: false
     t.text "login_body_text"
     t.string "login_header_text"
     t.string "login_text_color"