diff --git a/Cargo.toml b/Cargo.toml
index 19c5fdc..a7029fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,10 @@ version = "0.1.0"
 license = "AGPL-3"
 edition = "2021"
 
+[features]
+backend = ["poem", "sqlx"]
+client = []
+
 [dependencies]
 tokio = {version = "1.28.1", features = ["rt", "macros", "rt-multi-thread", "full"]}
 serde = {version = "1.0.162", features = ["derive"]}