diff --git a/Gemfile b/Gemfile
index f745dac..5850f47 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,9 @@ group :development do
   gem "dotenv"
 end
 
+# Tasks
+gem "rake"
+
 # Base
 gem "roda"
 gem "rackup"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2e1c5fb..c4583e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,6 +41,7 @@ GEM
     rack (3.2.7)
     rackup (2.3.1)
       rack (>= 3)
+    rake (13.4.2)
     rbs (4.2.0)
       logger
       prism (>= 1.6.0)
@@ -68,7 +69,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  bcrypt (~> 3.1)
+  bcrypt
   commonmarker
   dotenv
   erubi
@@ -76,8 +77,9 @@ DEPENDENCIES
   mail
   puma
   rackup
+  rake
   roda
-  rodauth (~> 2.49)
+  rodauth
   sequel
   sqlite3
   tilt
@@ -106,6 +108,7 @@ CHECKSUMS
   puma (8.0.2) sha256=c8ed871dfbbe66448ea9ffd46692342d9804d4071522b52b5331b7b6e7b686fb
   rack (3.2.7) sha256=93e13e1c24f93556671d85d2d79fa228c3485815c50d7e2f265b5330c6528fb7
   rackup (2.3.1) sha256=6c79c26753778e90983761d677a48937ee3192b3ffef6bc963c0950f94688868
+  rake (13.4.2) sha256=cb825b2bd5f1f8e91ca37bddb4b9aaf345551b4731da62949be002fa89283701
   rbs (4.2.0) sha256=51f7b886dcc05bc09e10b901daa6a81829f6adc03101d6ca9ea4aac6103e0674
   rdoc (8.1.0) sha256=befc37880a5cfd36dcb176c748b5fd5ee39dd3536a75e81824e4972ce230f60a
   reline (0.7.0) sha256=5b012d8e55dbf9d450f12bde2cf7d15ff546ae80b3f8f3b30e570d431815583d
diff --git a/README.md b/README.md
index 903d9ab..011e5bb 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # netig.net
 
-## TODO
+## À faire
 
-- ajouter une limite pour éviter les spams (/contact/send)
+- limiter le spam sur `/contact/send`
 - développer les comptes utilisateurs et leur interface
-- ajouter l'affichage des recettes/dépenses sur la page d'accueil
+- afficher les recettes et dépenses sur la page d'accueil
 
 ## Développement
 
@@ -21,7 +21,20 @@ SESSION_SECRET=...
 SMTP_PASSWORD=...
 ```
 
-Générer `SESSION_SECRET` avec `openssl rand -hex 64` et conserver la valeur dans `.env`.
+Générer `SESSION_SECRET` avec `openssl rand -hex 64`.
+Ne pas versionner le fichier `.env`.
+
+Appliquer les migrations :
+
+```sh
+bundle exec rake db:migrate
+```
+
+Lister les tâches disponibles :
+
+```sh
+bundle exec rake -T
+```
 
 Démarrer le serveur de développement :
 
@@ -37,4 +50,12 @@ bundle exec irb -r dotenv/load -r ./netig.rb
 
 ## Production
 
-Docker Compose fournit les variables avec `env_file` et définit `RACK_ENV=production`.
+Docker Compose fournit les variables d'environnement via `env_file`
+et définit `RACK_ENV=production`.
+
+Exécuter les migrations dans le conteneur applicatif avant de
+démarrer la nouvelle version :
+
+```sh
+bundle exec rake db:migrate
+```
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..7ac2bfe
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,25 @@
+require "dotenv/load" if ENV.fetch("RACK_ENV", "development") == "development"
+
+require_relative "lib/database"
+
+Sequel.extension :migration
+
+MIGRATIONS_PATH = File.expand_path("db/migrations", __dir__)
+
+namespace :db do
+  desc "Apply pending database migrations"
+  task :migrate do
+    Sequel::Migrator.run(DB, MIGRATIONS_PATH)
+  end
+
+  desc "Display current migration version"
+  task :version do
+    version = if DB.tables.include?(:schema_info)
+      DB[:schema_info].get(:version) || 0
+    else
+      0
+    end
+
+    puts "Schema version: #{version}"
+  end
+end
diff --git a/db/migrations/002_create_members.rb b/db/migrations/002_create_members.rb
new file mode 100644
index 0000000..77a27c8
--- /dev/null
+++ b/db/migrations/002_create_members.rb
@@ -0,0 +1,35 @@
+Sequel.migration do
+  up do
+    create_table(:members) do
+      primary_key :id, type: :Bignum
+
+      foreign_key :account_id, :accounts,
+        type: :Bignum,
+        null: false
+
+      String :kind, null: false
+      String :first_name
+      String :last_name
+      String :organization_name
+
+      index :account_id, unique: true
+
+      constraint :members_kind_valid,
+        Sequel.lit("kind IN ('individual', 'organization')")
+
+      constraint :members_identity_matches_kind,
+        Sequel.lit(
+          "(kind = 'individual' AND first_name IS NOT NULL " \
+          "AND trim(first_name) <> '' AND last_name IS NOT NULL " \
+          "AND trim(last_name) <> '' AND organization_name IS NULL) " \
+          "OR (kind = 'organization' AND first_name IS NULL " \
+          "AND last_name IS NULL AND organization_name IS NOT NULL " \
+          "AND trim(organization_name) <> '')"
+        )
+    end
+  end
+
+  down do
+    drop_table(:members)
+  end
+end