diff --git a/Cargo.toml b/Cargo.toml
index 7aa29cae..0c3a0a43 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,8 +25,11 @@ categories = [
 
 [dependencies]
 doc-comment = "0.3.3"
-once_cell = "1.9.0"
-figlet-rs = "0.1.3"
+downcast-rs = "1.2.0"
+figlet-rs   = "0.1.3"
+futures     = "0.3"
+once_cell   = "1.9.0"
+url         = "2.2.2"
 
 config_rs = { package = "config", version = "0.11.0", features = ["toml"] }
 
@@ -44,26 +47,22 @@ actix-web-static-files = "3.0.5"
 maud = { version = "0.23.0", features = ["actix-web"] }
 sycamore = { version = "0.7.1", features = ["ssr"] }
 
-downcast-rs = "1.2.0"
-url = "2.2.2"
-
 serde = { version = "1.0", features = ["derive"] }
 
-[dependencies.sqlx]
-version = "0.5.11"
-features = ["migrate", "runtime-async-std-native-tls"]
+[dependencies.sea-orm]
+version = "0.6"
+features = ["debug-print", "macros", "runtime-async-std-native-tls"]
 default-features = false
 
-[dependencies.refinery]
-version = "0.8.4"
-
-[dependencies.barrel]
-version = "0.7.0"
+[dependencies.sea-schema]
+version = "0.5"
+features = ["debug-print", "migration"]
+default-features = false
 
 [features]
 default  = ["mysql"]
-mysql    = ["sqlx/mysql", "refinery/mysql", "barrel/mysql"]
-postgres = ["sqlx/postgres", "refinery/postgres", "barrel/pg"]
+mysql    = ["sea-orm/sqlx-mysql"]
+postgres = ["sea-orm/sqlx-postgres"]
 
 [build-dependencies]
 actix-web-static-files = "3.0.5"
diff --git a/src/base/module/admin/migrations/V1__create_table_system.rs b/src/base/module/admin/migrations/V1__create_table_system.rs
deleted file mode 100644
index 2cd6196a..00000000
--- a/src/base/module/admin/migrations/V1__create_table_system.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use crate::prelude::*;
-
-pub fn migration() -> String {
-    let mut m = db::Migration::new();
-
-    m.create_table("system", |t| {
-        t.add_column("id", db::types::primary());
-        t.add_column("title", db::types::varchar(255));
-        t.add_column("is_completed", db::types::boolean().default(false));
-    });
-
-    m.make::<db::Database>()
-}
diff --git a/src/base/module/admin/mod.rs b/src/base/module/admin/mod.rs
index 52079841..0bb1202d 100644
--- a/src/base/module/admin/mod.rs
+++ b/src/base/module/admin/mod.rs
@@ -1,7 +1,6 @@
 use crate::prelude::*;
 
 localize!("en-US", "src/base/module/admin/locales");
-embed_migrations!("src/base/module/admin/migrations");
 
 mod summary;
 
@@ -26,8 +25,4 @@ impl Module for AdminModule {
                 .route("", server::web::get().to(summary::summary))
         );
     }
-
-    fn configure_migrations(&self) -> Option<db::Migrations> {
-        Some(migrations::runner())
-    }
 }
diff --git a/src/base/module/user/entity/mod.rs b/src/base/module/user/entity/mod.rs
new file mode 100644
index 00000000..22d12a38
--- /dev/null
+++ b/src/base/module/user/entity/mod.rs
@@ -0,0 +1 @@
+pub mod user;
diff --git a/src/base/module/user/entity/user.rs b/src/base/module/user/entity/user.rs
new file mode 100644
index 00000000..d0db4a98
--- /dev/null
+++ b/src/base/module/user/entity/user.rs
@@ -0,0 +1,18 @@
+use crate::db::entity::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Deserialize, Serialize)]
+#[sea_orm(table_name = "user")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    #[serde(skip_deserializing)]
+    pub id: i32,
+    pub title: String,
+    #[sea_orm(column_type = "Text")]
+    pub text: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}
diff --git a/src/base/module/user/migration/m20220312_000001_create_table_user.rs b/src/base/module/user/migration/m20220312_000001_create_table_user.rs
new file mode 100644
index 00000000..729b72e0
--- /dev/null
+++ b/src/base/module/user/migration/m20220312_000001_create_table_user.rs
@@ -0,0 +1,54 @@
+use crate::db::migration::*;
+
+#[derive(Iden)]
+enum User {
+    Table,
+    Id,
+    Title,
+    Text,
+}
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20220312_000001_create_table_user"
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(User::Table)
+                    .if_not_exists()
+                    .col(ColumnDef::new(User::Id)
+                        .integer()
+                        .not_null()
+                        .auto_increment()
+                        .primary_key(),
+                    )
+                    .col(ColumnDef::new(User::Title)
+                        .string()
+                        .not_null()
+                    )
+                    .col(ColumnDef::new(User::Text)
+                        .string()
+                        .not_null()
+                    )
+                    .to_owned()
+            )
+            .await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop()
+                .table(User::Table)
+                .to_owned()
+            )
+            .await
+    }
+}
diff --git a/src/base/module/user/migration/mod.rs b/src/base/module/user/migration/mod.rs
new file mode 100644
index 00000000..8b9167a6
--- /dev/null
+++ b/src/base/module/user/migration/mod.rs
@@ -0,0 +1,12 @@
+use crate::db::migration::*;
+
+pub mod m20220312_000001_create_table_user;
+
+pub struct Migrator;
+
+#[async_trait::async_trait]
+impl MigratorTrait for Migrator {
+    fn migrations() -> Vec<Box<dyn MigrationTrait>> {
+        vec![Box::new(m20220312_000001_create_table_user::Migration)]
+    }
+}
diff --git a/src/base/module/user/migrations/V1__create_table_user.rs b/src/base/module/user/migrations/V1__create_table_user.rs
deleted file mode 100644
index 9bc4e823..00000000
--- a/src/base/module/user/migrations/V1__create_table_user.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use crate::prelude::*;
-
-pub fn migration() -> String {
-    let mut m = db::Migration::new();
-
-    m.create_table("user", |t| {
-        t.add_column("id", db::types::primary());
-        t.add_column("title", db::types::varchar(255));
-        t.add_column("is_completed", db::types::boolean().default(false));
-    });
-
-    m.make::<db::Database>()
-}
diff --git a/src/base/module/user/mod.rs b/src/base/module/user/mod.rs
index 48c69820..7dc3c043 100644
--- a/src/base/module/user/mod.rs
+++ b/src/base/module/user/mod.rs
@@ -1,7 +1,9 @@
 use crate::prelude::*;
 
 localize!("en-US", "src/base/module/user/locales");
-embed_migrations!("src/base/module/user/migrations");
+
+mod entity;
+mod migration;
 
 pub struct UserModule;
 
@@ -22,8 +24,8 @@ impl Module for UserModule {
         cfg.route("/user/login", server::web::get().to(login));
     }
 
-    fn configure_migrations(&self) -> Option<db::Migrations> {
-        Some(migrations::runner())
+    fn migrations(&self, dbconn: &db::DbConn) -> Result<(), db::DbErr> {
+        db_migrations!(dbconn)
     }
 }
 
diff --git a/src/core/global.rs b/src/core/global.rs
index 7798d06d..0879fe4c 100644
--- a/src/core/global.rs
+++ b/src/core/global.rs
@@ -42,15 +42,9 @@ pub fn modules(cfg: &mut server::web::ServiceConfig) {
     }
 }
 
-pub fn migrations(db_uri: db::Uri) {
-    let mut conn = refinery::config::Config::try_from(db_uri).unwrap();
+pub fn migrations(dbconn: &db::DbConn) {
     for m in MODULES.read().unwrap().iter() {
-        match m.configure_migrations() {
-            Some(migrations) => {
-                migrations.run(&mut conn).expect("Failed to run migrations");
-            },
-            _ => {}
-        };
+        m.migrations(dbconn).expect("Failed to run migrations");
     }
 }
 
diff --git a/src/core/module/definition.rs b/src/core/module/definition.rs
index 3f1e1e3d..e11efd2e 100644
--- a/src/core/module/definition.rs
+++ b/src/core/module/definition.rs
@@ -15,7 +15,8 @@ pub trait Module: Send + Sync {
     fn configure_module(&self, cfg: &mut server::web::ServiceConfig) {
     }
 
-    fn configure_migrations(&self) -> Option<db::Migrations> {
-        None
+    #[allow(unused_variables)]
+    fn migrations(&self, dbconn: &db::DbConn) -> Result<(), db::DbErr> {
+        Ok(())
     }
 }
diff --git a/src/core/server/app.rs b/src/core/server/app.rs
index d758d850..1f2ec7f3 100644
--- a/src/core/server/app.rs
+++ b/src/core/server/app.rs
@@ -5,19 +5,8 @@ use crate::core::theme::register_theme;
 use crate::core::module::register_module;
 
 use std::io::Error;
-use std::sync::RwLock;
 use actix_web::middleware::normalize::{NormalizePath, TrailingSlash};
 
-#[cfg(feature = "mysql")]
-use sqlx::mysql::MySqlPoolOptions as DbPoolOptions;
-
-#[cfg(feature = "postgres")]
-use sqlx::postgres::PgPoolOptions as DbPoolOptions;
-
-static DBCONN: Lazy<RwLock<Option<db::Conn>>> = Lazy::new(|| {
-    RwLock::new(None)
-});
-
 pub struct Application {
     server: Server,
 }
@@ -70,7 +59,7 @@ impl Application {
         let db_type = "postgres";
 
         // https://github.com/launchbadge/sqlx/issues/1624
-        let mut db_uri = db::Uri::parse(format!(
+        let mut db_uri = db::DbUri::parse(format!(
             "{}://{}/{}",
             db_type,
             &SETTINGS.database.db_host,
@@ -82,14 +71,14 @@ impl Application {
             db_uri.set_port(Some(SETTINGS.database.db_port)).unwrap();
         }
 
-        let db_pool = DbPoolOptions::new()
-            .max_connections(SETTINGS.database.max_pool_size)
-            .connect(db_uri.as_str())
-            .await
-            .expect("Failed to connect to database");
+        let mut db_options = sea_orm::ConnectOptions::new(db_uri.to_string());
+        db_options.max_connections(SETTINGS.database.max_pool_size);
 
-        let mut dbconn = DBCONN.write().unwrap();
-        *dbconn = Some(db_pool);
+        let dbconn = sea_orm::Database::connect::<sea_orm::ConnectOptions>(
+            db_options.into()
+        )
+        .await
+        .expect("Failed to connect to database");
 
         // Registra los temas predefinidos.
         register_theme(&base::theme::aliner::AlinerTheme);
@@ -112,13 +101,14 @@ impl Application {
 
         // Run migrations.
         trace::info!("Running migrations.");
-        global::migrations(db_uri);
+        global::migrations(&dbconn);
 
         // Prepara el servidor web.
-        let server = server::HttpServer::new(|| {
+        let server = server::HttpServer::new(move || {
             server::App::new()
                 .wrap(tracing_actix_web::TracingLogger)
                 .wrap(NormalizePath::new(TrailingSlash::Trim))
+                .data(dbconn.clone())
                 .configure(&global::themes)
                 .configure(&global::modules)
             })
diff --git a/src/db.rs b/src/db.rs
index c754be9c..fb3f789e 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -1,17 +1,14 @@
-pub use url::Url as Uri;
+pub use url::Url as DbUri;
 
-#[cfg(feature = "mysql")]
-pub use {
-    barrel::backend::MySql as Database,
-    sqlx::MySqlPool as Conn,
+pub use sea_orm::{
+    DbErr,
+    DatabaseConnection as DbConn,
 };
 
-#[cfg(feature = "postgres")]
-pub use {
-    barrel::backend::Pg as Database,
-    sqlx::PgPool as Conn,
-};
+pub mod entity {
+    pub use sea_orm::entity::prelude::*;
+}
 
-pub use barrel::{Migration, types};
-pub use refinery::embed_migrations;
-pub use refinery::Runner as Migrations;
+pub mod migration {
+    pub use sea_schema::migration::prelude::*;
+}
diff --git a/src/lib.rs b/src/lib.rs
index a3906783..8d75fb08 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,6 +2,7 @@
 
 pub use doc_comment::doc_comment;
 pub use once_cell::sync::Lazy;
+pub use futures::executor::block_on as run_now;
 
 // -----------------------------------------------------------------------------
 // APIs públicas.
diff --git a/src/prelude.rs b/src/prelude.rs
index f168e92f..bcff745b 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,14 +1,15 @@
 //! Re-exporta recursos comunes.
 
-pub use crate::args;
-pub use crate::util;
+pub use crate::{
+    args,
+    db_migrations,
+};
 
 pub use crate::config::SETTINGS;
 pub use crate::trace;
 pub use crate::localize;
 
 pub use crate::db;
-pub use crate::db::embed_migrations;
 
 pub use crate::core::theme::*;
 pub use crate::core::module::*;
@@ -16,3 +17,5 @@ pub use crate::core::response::page::*;
 pub use crate::core::server;
 
 pub use crate::base::component::*;
+
+pub use crate::util;
diff --git a/src/util.rs b/src/util.rs
index 3fff0a23..5150d517 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -9,15 +9,26 @@
 /// ];
 /// ```
 macro_rules! args {
-    ( $($key:expr => $value:expr),* ) => {{
+    ( $($KEY:expr => $VALUE:expr),* ) => {{
         let mut a = std::collections::HashMap::new();
         $(
-            a.insert(String::from($key), $value.into());
+            a.insert(String::from($KEY), $VALUE.into());
         )*
         a
     }};
 }
 
+#[macro_export]
+macro_rules! db_migrations {
+    ( $DBCONN:ident ) => {{
+        $crate::run_now({
+            use $crate::db::migration::MigratorTrait;
+
+            migration::Migrator::up($DBCONN, None)
+        })
+    }};
+}
+
 pub fn valid_id(id: &str) -> Option<String> {
     let id = id.trim().replace(" ", "_").to_lowercase();
     match id.is_empty() {