diff --git a/Cargo.toml b/Cargo.toml
index bdff566..6a91d58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ edition = "2018"
 
 [dependencies]
 combine = "4.6.6"
-thiserror = "1.0.11"
+thiserror = "2"
 
 [dev-dependencies]
 pretty_assertions = "0.5.0"