diff --git a/marked-yaml/src/spanned_serde.rs b/marked-yaml/src/spanned_serde.rs
index 6df52f0..bb870df 100644
--- a/marked-yaml/src/spanned_serde.rs
+++ b/marked-yaml/src/spanned_serde.rs
@@ -41,7 +41,7 @@ use crate::{
 /// You can also serialize these values,
 /// however when serializing you will lose the span information so do not expect
 /// to round-trip these values.
-#[derive(Debug)]
+#[derive(Clone, Debug)]
 pub struct Spanned<T> {
     span: Span,
     inner: T,