diff --git a/server/Cargo.toml b/server/Cargo.toml
index e6a3181..cfd632e 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -12,6 +12,7 @@ futures-util = "0.3"
 axum = {version="0.6", features=["macros", "headers", "multipart"]}
 serde = "1.0"
 toml = "0.8"
+duration-str = "0.7.0"
 render = { git="https://github.com/render-rs/render.rs" }
 thiserror = "1.0"
 rand = "0.8"