diff --git a/roles/hackmd/tasks/main.yml b/roles/hackmd/tasks/main.yml
index 6a339c7..20889dd 100644
--- a/roles/hackmd/tasks/main.yml
+++ b/roles/hackmd/tasks/main.yml
@@ -51,6 +51,14 @@
   become: true
   become_user: postgres
 
+- name: Configure sequelize
+  template: src=_sequelizerc.j2 dest=/opt/codimd-{{ hackmd_version }}/.sequelizerc owner=hackmd
+
+- name: Upgrade database schema
+  command: node_modules/.bin/sequelize db:migrate chdir=/opt/codimd-{{ hackmd_version }}
+  become: true
+  become_user: hackmd
+
 - name: Ensure certificates are available
   command: openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/nginx/ssl/{{ hackmd_domain }}.key -out /etc/nginx/ssl/{{ hackmd_domain }}.crt -days 730 -subj "/CN={{ hackmd_domain }}" creates=/etc/nginx/ssl/{{ hackmd_domain }}.crt
   notify: Restart nginx
diff --git a/roles/hackmd/templates/_sequelizerc.j2 b/roles/hackmd/templates/_sequelizerc.j2
new file mode 100644
index 0000000..50cc8cc
--- /dev/null
+++ b/roles/hackmd/templates/_sequelizerc.j2
@@ -0,0 +1,8 @@
+var path = require('path');
+
+module.exports = {
+    'config':          path.resolve('config.json'),
+    'migrations-path': path.resolve('lib', 'migrations'),
+    'models-path':     path.resolve('lib', 'models'),
+    'url':             'postgres://{{ hackmd_dbuser }}:{{ hackmd_dbpass }}@localhost:5432/{{ hackmd_dbname }}'
+}