diff --git a/backbones/pvt_v2/Cargo.toml b/backbones/pvt_v2/Cargo.toml
index 90ade27..ec8ec46 100644
--- a/backbones/pvt_v2/Cargo.toml
+++ b/backbones/pvt_v2/Cargo.toml
@@ -9,7 +9,7 @@ repository = "https://github.com/nusu-github/BiRefNet-Burn"
 [dependencies]
 burn = { workspace = true }
 burn-extra-ops = { path = "../../burn-extra-ops" }
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 burn = { workspace = true, features = ["ndarray"] }