diff --git a/taskchampion/Cargo.toml b/taskchampion/Cargo.toml
index 6d29b4dd5..5c612ae86 100644
--- a/taskchampion/Cargo.toml
+++ b/taskchampion/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 
 [dependencies]
 uuid = { version = "^0.8.2", features = ["serde", "v4"] }
-serde = "^1.0.125"
+serde = { version = "^1.0.125", features = ["derive"] }
 serde_json = "^1.0"
 chrono = { version = "^0.4.10", features = ["serde"] }
 anyhow = "1.0"