diff --git a/typify-test/Cargo.toml b/typify-test/Cargo.toml
index 8e134288..a3fa4871 100644
--- a/typify-test/Cargo.toml
+++ b/typify-test/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 regress = { workspace = true }
-serde = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
 
 [build-dependencies]