diff --git a/az-cvm-vtpm/Cargo.toml b/az-cvm-vtpm/Cargo.toml
index a216902..6bccdf6 100644
--- a/az-cvm-vtpm/Cargo.toml
+++ b/az-cvm-vtpm/Cargo.toml
@@ -44,7 +44,7 @@ clap = { version = "4", features = ["derive"] }
 openssl = "0.10"
 serde = { version = "1.0.189", features = ["derive"] }
 serde_json = "1.0.107"
-thiserror = "1.0.38"
+thiserror = "2.0.3"
 sev = "4.0.0"
 ureq = { version = "2.6.2", default-features = false, features = ["json"] }
 zerocopy = { version = "0.7.26", features = ["derive"] }