diff --git a/Cargo.toml b/Cargo.toml
index fd6cb49..3c7d914 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ include = [
 [dependencies]
 urlencoding = { version = "2.1.3", optional = true }
 serde = { version = "1.0.199", features = ["derive"], optional = true }
-thiserror = { version = "1.0.59", optional = true }
+thiserror = { version = "2.0.0", optional = true }
 num = { version = "0.4", optional = true }
 num-derive = { version = "0.4", optional = true }
 num-traits = { version = "0.2", optional = true }