diff --git a/Cargo.toml b/Cargo.toml
index 0d0c7cf..b1b24c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ thiserror = "1.0.43"
 tracing = "0.1.37"
 toml = "0.8.0"
 ureq = { version = "2.5.0", features = ["json"] }
-utoipa = { version = "3", features = ["axum_extras", "uuid", "chrono"] }
+utoipa = { version = "4", features = ["axum_extras", "uuid", "chrono"] }
 url = "2.3.1"
 validator = { version = "0.16.0", features = ["derive"] }