diff --git a/Cargo.toml b/Cargo.toml
index 353f83b..ba04fba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ repository = "https://github.com/dkim19375/todoist-rest-api-rs"
 chrono = { version = "0.4.31", features = ["serde"] }#, optional = true }
 chrono-tz = { version = "0.8.3", features = ["serde"] }#, optional = true }
 reqwest = { version = "0.11.22", features = ["json"] }
-serde = { version = "1.0.188", features = ["derive"] }
+serde = { version = "1.0.189", features = ["derive"] }
 serde_json = "1.0.107"
 uuid = { version = "1.4.1", features = ["v4", "fast-rng", "macro-diagnostics"] }