diff --git a/Cargo.toml b/Cargo.toml
index a6aa310..24c9fc4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ nom = { version="7.0", default-features=false, features=["std"] }
 num-bigint = { version = "0.4", optional = true }
 num-traits = "0.2.14"
 rusticata-macros = "4.0"
-thiserror = "1.0.25"
+thiserror = "2.0.0"
 time = { version="0.3", features=["macros", "parsing", "formatting"], optional=true }
 
 [dev-dependencies]