diff --git a/Cargo.lock b/Cargo.lock
index db689fc..6431507 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1192,9 +1192,9 @@ dependencies = [
 
 [[package]]
 name = "http-signature-normalization"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fde6b0321d465ea2cdc18b5d5ec73eee2ff20177ecee126cd8dd997f6c49e088"
+checksum = "67a9c60926ceacbad9840d7a773bf2552b4535b0a993c529d876b85dc3c9ed02"
 dependencies = [
  "chrono",
  "thiserror",
@@ -1202,9 +1202,9 @@ dependencies = [
 
 [[package]]
 name = "http-signature-normalization-actix"
-version = "0.3.0-alpha.10"
+version = "0.3.0-alpha.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31cbaa36c8b370b423bc69bdbe146bfc52d32ad3e38a91281f1a4ac0b1762274"
+checksum = "9994f5cd15a70a4ae0e1a6e40e42912e897f5a77f43e0e81fe8efdd7ad3c53ae"
 dependencies = [
  "actix-http",
  "actix-web",
@@ -2152,9 +2152,9 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535622e6be132bccd223f4bb2b8ac8d53cda3c7a6394944d3b2b33fb974f9d76"
+checksum = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
 
 [[package]]
 name = "scopeguard"
@@ -2312,9 +2312,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05720e22615919e4734f6a99ceae50d00226c3c5aca406e102ebc33298214e0a"
+checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
 
 [[package]]
 name = "socket2"
diff --git a/Cargo.toml b/Cargo.toml
index c7f83a7..42bd720 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ deadpool-postgres = "0.5.5"
 dotenv = "0.15.0"
 env_logger = "0.7.1"
 futures = "0.3.4"
-http-signature-normalization-actix = { version = "0.3.0-alpha.10", default-features = false, features = ["sha-2"] }
+http-signature-normalization-actix = { version = "0.3.0-alpha.11", default-features = false, features = ["sha-2"] }
 log = "0.4"
 lru = "0.4.3"
 mime = "0.3.16"
diff --git a/src/error.rs b/src/error.rs
index bc3a1af..97063f5 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -5,6 +5,7 @@ use actix_web::{
     HttpResponse,
 };
 use deadpool::managed::{PoolError, TimeoutType};
+use http_signature_normalization_actix::PrepareSignError;
 use log::error;
 use rsa_pem::KeyError;
 use std::{convert::Infallible, fmt::Debug, io::Error};
@@ -35,8 +36,8 @@ pub enum MyError {
     #[error("Couldn't do the json thing")]
     Json(#[from] serde_json::Error),
 
-    #[error("Couldn't serialzize the signature header")]
-    HeaderSerialize(#[from] actix_web::http::header::ToStrError),
+    #[error("Couldn't build signing string, {0}")]
+    PrepareSign(#[from] PrepareSignError),
 
     #[error("Couldn't parse the signature header")]
     HeaderValidation(#[from] actix_web::http::header::InvalidHeaderValue),