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/structure.sql b/db/structure.sql
index 744ea9e19..de3c10c61 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;
 
 --
@@ -4716,3 +4730,5 @@ INSERT INTO schema_migrations (version) VALUES ('20180327151906');
 
 INSERT INTO schema_migrations (version) VALUES ('20180331200125');
 
+INSERT INTO schema_migrations (version) VALUES ('20180612042234');
+