diff --git a/Cargo.toml b/Cargo.toml
index a3ad2c8f3..434f6ea26 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ actix-utils = { version = "0.4.2", optional = true }
 actix-service = { version = "0.4.1", optional = true }
 actix-session = { version = "0.2.0", optional = true }
 rand = { version = "0.7.0", optional = true }
-serde = { version = "1.0.94", optional = true }
+serde = { version = "1.0.94", optional = true , features = ["derive"]}
 serde_json = { version = "1.0.40", optional = true }
 env_logger = "0.6.2"
 actix-http-test = "0.2.2"