diff --git a/Cargo.toml b/Cargo.toml
index 4c54066..2852cf2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,4 +28,4 @@ csv = "1.3.0"
 num-traits = "0.2.19"
 rand = "0.9.0-alpha.2"
 rustversion = "1.0.15"
-thiserror = "1.0.64"
+thiserror = "2.0.3"