diff --git a/src/lib.rs b/src/lib.rs
index 02a8461..c5da8ce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
+#![deny(missing_debug_implementations)]
+
 extern crate byteorder;
 extern crate num_traits;
 
@@ -13,4 +15,4 @@ pub mod proto;
 pub mod agent;
 pub mod error;
 
-pub use self::agent::Agent;
\ No newline at end of file
+pub use self::agent::Agent;
diff --git a/src/proto/de.rs b/src/proto/de.rs
index bc67df7..b0c0c79 100644
--- a/src/proto/de.rs
+++ b/src/proto/de.rs
@@ -8,6 +8,7 @@ use serde::de::{
 
 use super::error::{ProtoError, ProtoResult};
 
+#[derive(Debug)]
 pub struct Deserializer<R: io::Read> {
     reader: R,
 }
@@ -251,4 +252,4 @@ impl<'de, 'a, R: io::Read> VariantAccess<'de> for BinaryEnum<'a, R> {
     ) -> ProtoResult<V::Value> {
         de::Deserializer::deserialize_map(self.de, visitor)
     }
-}
\ No newline at end of file
+}
diff --git a/src/proto/ser.rs b/src/proto/ser.rs
index f52ca68..5004378 100644
--- a/src/proto/ser.rs
+++ b/src/proto/ser.rs
@@ -3,6 +3,7 @@ use serde::ser::{self, Serialize};
 use std::io;
 use super::error::{ProtoError, ProtoResult};
 
+#[derive(Debug)]
 pub struct Serializer<W: io::Write> {
     // This string starts empty and JSON is appended as values are serialized.
     writer: W