diff --git a/Cargo.lock b/Cargo.lock
index 7460a0d7..15740ec1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1541,9 +1541,9 @@ checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
 [[package]]
 name = "coset"
-version = "0.3.8"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8cc80f631f8307b887faca24dcc3abc427cd0367f6eb6188f6e8f5b7ad8fb"
+checksum = "1eb98d5e9155e2cf7cd942c8b3033097d4563b6fb0a00b9caecb74669555c058"
 dependencies = [
  "ciborium",
  "ciborium-io",
diff --git a/Cargo.toml b/Cargo.toml
index e88ff1df..65f8a13a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -87,7 +87,7 @@ rsa = { version = "0.9", features = ["sha2"] }
 
 # CBOR/COSE serialization
 ciborium = "0.2"
-coset = "0.3"
+coset = "0.4"
 serde_bytes = "0.11"
 
 # TOML configuration