diff --git a/legacy/Cargo.toml b/legacy/Cargo.toml
index 41a0366..b7d76fd 100644
--- a/legacy/Cargo.toml
+++ b/legacy/Cargo.toml
@@ -57,7 +57,7 @@ trust-dns-resolver = { version = "0.23.2", default-features = false, features =
 anyhow = "1.0.75"
 dotenv = "0.15.0"
 serde_json = "1.0.108"
-jwt-simple = "0.11.9"
+jwt-simple = "0.12.1"
 p256 = { version = "0.13.2", features = ["jwk", "pem"] }
 chrono = "0.4.31"
 odoh-rs = { git = "https://github.com/junkurihara/odoh-rs.git" }