diff --git a/Cargo.toml b/Cargo.toml
index 6ed282e..1f516a7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ tokio-net = ["tokio/net"]
 [dependencies]
 futures-util = "0.3.8"
 pin-project-lite = "0.2.13"
-thiserror = "1.0.30"
+thiserror = "2.0.3"
 tokio = { version = "1.0", features = ["time"] }
 tokio-native-tls = { version = "0.3.0", optional = true }
 tokio-rustls = { version = ">=0.25.0,<0.27", default-features = false, optional = true }