diff --git a/instant-xml/Cargo.toml b/instant-xml/Cargo.toml
index cfde608..853e930 100644
--- a/instant-xml/Cargo.toml
+++ b/instant-xml/Cargo.toml
@@ -18,6 +18,7 @@ xmlparser = "0.13.3"
 
 [dev-dependencies]
 bencher = "0.1.5"
+serde = { version = "1", features = ["derive"] }
 similar-asserts = "1.4.2"
 
 [[bench]]
diff --git a/instant-xml/tests/scalar.rs b/instant-xml/tests/scalar.rs
index 4f6acf0..75329f9 100644
--- a/instant-xml/tests/scalar.rs
+++ b/instant-xml/tests/scalar.rs
@@ -1,17 +1,18 @@
 use std::borrow::Cow;
 
+use serde::{Deserialize, Serialize};
 use similar_asserts::assert_eq;
 
 use instant_xml::{from_str, FromXml, ToXml};
 
-#[derive(Debug, PartialEq, Eq, FromXml, ToXml)]
+#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, FromXml, ToXml)]
 #[xml(ns("URI"))]
 struct NestedLifetimes<'a> {
     flag: bool,
     str_type_a: Cow<'a, str>,
 }
 
-#[derive(Debug, PartialEq, FromXml, ToXml)]
+#[derive(Debug, Deserialize, PartialEq, Serialize, FromXml, ToXml)]
 #[xml(ns("URI"))]
 struct StructDeserializerScalars<'a, 'b> {
     bool_type: bool,