diff --git a/db/migrate/20181129203927_initial_migration.rb b/db/migrate/20181129203927_initial_migration.rb
index b0b8c16..0148b63 100644
--- a/db/migrate/20181129203927_initial_migration.rb
+++ b/db/migrate/20181129203927_initial_migration.rb
@@ -5,6 +5,7 @@ class InitialMigration < ActiveRecord::Migration[6.0]
     change_types
     change_functions
     change_tables
+    change_sequences
     change_constraints
     change_triggers
   end
@@ -357,6 +358,19 @@ private
     end
   end
 
+  def change_sequences
+    reversible do |dir|
+      dir.up do
+        execute <<~SQL
+          ALTER SEQUENCE contact_networks_id_seq START WITH 100;
+          ALTER SEQUENCE federal_subjects_id_seq START WITH 100;
+          ALTER SEQUENCE contacts_id_seq         START WITH 4000;
+          ALTER SEQUENCE people_id_seq           START WITH 3000;
+        SQL
+      end
+    end
+  end
+
   def change_constraints
     constraint :contacts, :value, <<~SQL
       is_good_small_text(value)
diff --git a/db/structure.sql b/db/structure.sql
index ec7ddad..8a98161 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -423,7 +423,7 @@ CREATE TABLE public.contact_networks (
 --
 
 CREATE SEQUENCE public.contact_networks_id_seq
-    START WITH 1
+    START WITH 100
     INCREMENT BY 1
     NO MINVALUE
     NO MAXVALUE
@@ -457,7 +457,7 @@ CREATE TABLE public.contacts (
 --
 
 CREATE SEQUENCE public.contacts_id_seq
-    START WITH 1
+    START WITH 4000
     INCREMENT BY 1
     NO MINVALUE
     NO MAXVALUE
@@ -496,7 +496,7 @@ CREATE TABLE public.federal_subjects (
 --
 
 CREATE SEQUENCE public.federal_subjects_id_seq
-    START WITH 1
+    START WITH 100
     INCREMENT BY 1
     NO MINVALUE
     NO MAXVALUE
@@ -606,7 +606,7 @@ CREATE TABLE public.people (
 --
 
 CREATE SEQUENCE public.people_id_seq
-    START WITH 1
+    START WITH 3000
     INCREMENT BY 1
     NO MINVALUE
     NO MAXVALUE