diff --git a/Cargo.lock b/Cargo.lock
index 53aaa2a..8cfe39c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1466,6 +1466,15 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-big-array"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11fc7cc2c76d73e0f27ee52abbd64eec84d46f370c88371120433196934e4b7f"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.19"
@@ -1538,6 +1547,8 @@ dependencies = [
  "libc",
  "openssl",
  "rdrand",
+ "serde",
+ "serde-big-array",
  "static_assertions",
  "uuid",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2222dfc..c56d77d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.86"
 
 [features]
 default = []
-hyperv = ["tss-esapi"]
+hyperv = ["tss-esapi","sev/serde"]
 
 [dependencies]
 clap = { version = "4.5", features = [ "derive" ] }
diff --git a/src/hyperv/mod.rs b/src/hyperv/mod.rs
index 83d53c4..37f0cf1 100644
--- a/src/hyperv/mod.rs
+++ b/src/hyperv/mod.rs
@@ -79,6 +79,7 @@ pub mod report {
     use anyhow::{anyhow, Context};
     use serde::{Deserialize, Serialize};
     use sev::firmware::guest::AttestationReport;
+    use sev::parser::ByteParser;
     use tss_esapi::{
         abstraction::nv,
         handles::NvIndexTpmHandle,