diff --git a/src/types.rs b/src/types.rs
index 48ac786..2c0c66c 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -1,9 +1,10 @@
 //! This module defines the WIT types.
 
 use crate::vec1::Vec1;
+use serde::{Serialize, Deserialize};
 
 /// Represents the types supported by WIT.
-#[derive(PartialEq, Debug, Clone)]
+#[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
 pub enum InterfaceType {
     /// A 8-bits signed integer.
     S8,
@@ -52,7 +53,7 @@ pub enum InterfaceType {
 }
 
 /// Represents a record type.
-#[derive(PartialEq, Debug, Clone)]
+#[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
 pub struct RecordType {
     /// Types representing the fields.
     /// A record must have at least one field, hence the
diff --git a/src/vec1.rs b/src/vec1.rs
index 4462beb..d9b7365 100644
--- a/src/vec1.rs
+++ b/src/vec1.rs
@@ -5,10 +5,11 @@ use std::{
     fmt::{self, Debug},
     ops,
 };
+use serde::{Serialize, Deserialize};
 
 /// `Vec1<T>` represents a non-empty `Vec<T>`. It derefs to `Vec<T>`
 /// directly.
-#[derive(Clone, PartialEq)]
+#[derive(Clone, PartialEq, Serialize, Deserialize)]
 pub struct Vec1<T>(Vec<T>)
 where
     T: Debug;