diff --git a/Cargo.toml b/Cargo.toml
index f40724b..084884b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ jsonptr = "0.7.1"
 schemars = { version = "1.0.4", optional = true }
 serde = { version = "1.0.159", features = ["derive"] }
 serde_json = "1.0.95"
-thiserror = "1.0.40"
+thiserror = "2"
 utoipa = { version = "5", optional = true }
 
 [dev-dependencies]