diff --git a/Cargo.toml b/Cargo.toml
index 2d00aa7..53ab8c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2021"
 [dependencies]
 bitintr = "0.3"
 itertools = "0.13"
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 criterion = "0.5"