diff --git a/db/migrate/20180612042234_enable_pgcrypto_ext.rb b/db/migrate/20180612042234_enable_pgcrypto_ext.rb
new file mode 100644
index 000000000..4e8df65bf
--- /dev/null
+++ b/db/migrate/20180612042234_enable_pgcrypto_ext.rb
@@ -0,0 +1,5 @@
+class EnablePgcryptoExt < ActiveRecord::Migration
+  def change
+    enable_extension 'pgcrypto'
+  end
+end
diff --git a/db/migrate/20180612042625_add_uuid_to_contacts.rb b/db/migrate/20180612042625_add_uuid_to_contacts.rb
new file mode 100644
index 000000000..c80d60e71
--- /dev/null
+++ b/db/migrate/20180612042625_add_uuid_to_contacts.rb
@@ -0,0 +1,5 @@
+class AddUuidToContacts < ActiveRecord::Migration
+  def change
+    add_column :contacts, :uuid, :uuid, default: 'gen_random_uuid()'
+  end
+end
diff --git a/db/migrate/20180612042953_add_uuid_to_domains.rb b/db/migrate/20180612042953_add_uuid_to_domains.rb
new file mode 100644
index 000000000..6ca609de3
--- /dev/null
+++ b/db/migrate/20180612042953_add_uuid_to_domains.rb
@@ -0,0 +1,5 @@
+class AddUuidToDomains < ActiveRecord::Migration
+  def change
+    add_column :domains, :uuid, :uuid, default: 'gen_random_uuid()'
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 744ea9e19..cf2f858b4 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -51,6 +51,20 @@ CREATE EXTENSION IF NOT EXISTS hstore WITH SCHEMA public;
 COMMENT ON EXTENSION hstore IS 'data type for storing sets of (key, value) pairs';
 
 
+--
+-- Name: pgcrypto; Type: EXTENSION; Schema: -; Owner: -
+--
+
+CREATE EXTENSION IF NOT EXISTS pgcrypto WITH SCHEMA public;
+
+
+--
+-- Name: EXTENSION pgcrypto; Type: COMMENT; Schema: -; Owner: -
+--
+
+COMMENT ON EXTENSION pgcrypto IS 'cryptographic functions';
+
+
 SET search_path = public, pg_catalog;
 
 --
@@ -625,7 +639,8 @@ CREATE TABLE contacts (
     original_id integer,
     ident_updated_at timestamp without time zone,
     upid integer,
-    up_date timestamp without time zone
+    up_date timestamp without time zone,
+    uuid uuid DEFAULT gen_random_uuid()
 );
 
 
@@ -897,7 +912,8 @@ CREATE TABLE domains (
     status_notes hstore,
     statuses_backup character varying[] DEFAULT '{}'::character varying[],
     upid integer,
-    up_date timestamp without time zone
+    up_date timestamp without time zone,
+    uuid uuid DEFAULT gen_random_uuid()
 );
 
 
@@ -4716,3 +4732,9 @@ INSERT INTO schema_migrations (version) VALUES ('20180327151906');
 
 INSERT INTO schema_migrations (version) VALUES ('20180331200125');
 
+INSERT INTO schema_migrations (version) VALUES ('20180612042234');
+
+INSERT INTO schema_migrations (version) VALUES ('20180612042625');
+
+INSERT INTO schema_migrations (version) VALUES ('20180612042953');
+