diff --git a/Cargo.toml b/Cargo.toml
index 25770a3..df8c7f1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ syn         = { version = "2", features = ["full", "extra-traits"] }
 quote       = "1"
 proc-macro2 = "1"
 anyhow      = "1"
-thiserror   = "1"
+thiserror   = "2"
 once_cell   = "1"
 parking_lot = "0.12"
 notify      = "6"