diff --git a/migrations/20180400183010_create_users_table.js b/migrations/20180400183010_create_users_table.js
index 64027c2..424a749 100644
--- a/migrations/20180400183010_create_users_table.js
+++ b/migrations/20180400183010_create_users_table.js
@@ -9,6 +9,7 @@ exports.up = async (knex, Promise) => (await knex.schema.hasTable('users'))
     table.string('last_name')
     table.string('username')
     table.string('language_code')
+    table.boolean('is_premium')
     table.timestamp('created_at').defaultTo(knex.fn.now())
 
     table.primary('id')
diff --git a/package.json b/package.json
index b70b37a..d215cec 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,10 @@
   "dependencies": {
     "chess": "^0.4.9",
     "dotenv": "^7.0.0",
-    "knex": "^0.20.13",
+    "knex": "^2.2.0",
     "module-alias": "^2.2.2",
     "mysql2": "^2.2.5",
+    "pg": "^8.7.3",
     "telegraf": "^3.37.0"
   },
   "devDependencies": {