diff --git a/Cargo.lock b/Cargo.lock
index f59b921..75f0501 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,7 +150,7 @@ dependencies = [
  "aes",
  "aes-gcm",
  "aws-nitro-enclaves-cose",
- "aws-nitro-enclaves-nsm-api",
+ "aws-nitro-enclaves-nsm-api 0.4.0",
  "base64 0.21.7",
  "chrono",
  "der",
@@ -176,7 +176,7 @@ dependencies = [
  "aes",
  "aes-gcm",
  "aws-nitro-enclaves-cose",
- "aws-nitro-enclaves-nsm-api",
+ "aws-nitro-enclaves-nsm-api 0.5.1",
  "base64 0.22.1",
  "chrono",
  "der",
@@ -210,7 +210,7 @@ dependencies = [
  "aes",
  "aes-gcm",
  "aws-nitro-enclaves-cose",
- "aws-nitro-enclaves-nsm-api",
+ "aws-nitro-enclaves-nsm-api 0.4.0",
  "base64 0.21.7",
  "chrono",
  "der",
@@ -264,6 +264,19 @@ dependencies = [
  "serde_cbor",
 ]
 
+[[package]]
+name = "aws-nitro-enclaves-nsm-api"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "973aa18816fcc09c669dfc311362028f63f6f7b4142ef4e98461078d91ef46b7"
+dependencies = [
+ "libc",
+ "log",
+ "serde",
+ "serde_bytes",
+ "serde_cbor",
+]
+
 [[package]]
 name = "base16ct"
 version = "0.2.0"
diff --git a/attestation-doc-validation/Cargo.toml b/attestation-doc-validation/Cargo.toml
index d3bfa4e..471d6bb 100644
--- a/attestation-doc-validation/Cargo.toml
+++ b/attestation-doc-validation/Cargo.toml
@@ -33,7 +33,7 @@ aes = "^0.8"
 aes-gcm = "^0.10"
 rand = { version = "^0.8", features = ["getrandom"] }
 chrono = "0.4.26"
-aws-nitro-enclaves-nsm-api = { version = "^0.4", default-features = false }
+aws-nitro-enclaves-nsm-api = { version = "^0.5", default-features = false }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 # Override indirect dependency of rand to force getrandom to have wasm support