diff --git a/Cargo.toml b/Cargo.toml
index dcff986..6709286 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,3 +22,4 @@ members = [
 [dependencies]
 chrono = "0.4"
 thiserror = "1.0"
+log = "0.4"
diff --git a/src/verify.rs b/src/verify.rs
index 1eed69d..00c882c 100644
--- a/src/verify.rs
+++ b/src/verify.rs
@@ -1,5 +1,6 @@
 //! Types and methods to verify a signature or authorization header
 use chrono::{DateTime, Duration, TimeZone, Utc};
+use log::debug;
 use std::{
     collections::{BTreeMap, HashMap, HashSet},
     error::Error,
@@ -260,6 +261,8 @@ impl FromStr for ParsedHeader {
             })
             .collect();
 
+        debug!("pieces {:?}", hm);
+
         Ok(ParsedHeader {
             signature: hm
                 .remove(SIGNATURE_FIELD)