diff --git a/ldp/src/rdf_source.rs b/ldp/src/rdf_source.rs
index 271b958..b265a78 100644
--- a/ldp/src/rdf_source.rs
+++ b/ldp/src/rdf_source.rs
@@ -100,12 +100,12 @@ impl<D> RdfSource<D> {
 }
 
 /// Holds options related to serialization.
-pub struct SerializationOptions {
+pub struct SerializationOptions<'a> {
     format: RdfFormat,
-    filter: Box<dyn Fn(TripleRef<'_>) -> bool>,
+    filter: Box<dyn Fn(TripleRef<'a>) -> bool>,
 }
 
-impl SerializationOptions {
+impl<'a> SerializationOptions<'a> {
     /// Create a new set of serialization options with the provided format.
     pub fn from_format(format: RdfFormat) -> Self {
         Self {
@@ -120,7 +120,7 @@ impl SerializationOptions {
     #[must_use]
     pub fn with_filter<F>(self, filter: F) -> Self
     where
-        F: Fn(TripleRef<'_>) -> bool + 'static,
+        F: Fn(TripleRef<'a>) -> bool + 'static,
     {
         Self {
             format: self.format,
@@ -134,7 +134,7 @@ where
     &'a D: IntoIterator<Item = QuadRef<'a>>,
 {
     /// Serializes the dataset in to the provided format.
-    pub fn serialize(&'a self, options: SerializationOptions) -> crate::Result<bytes::Bytes> {
+    pub fn serialize(&'a self, options: SerializationOptions<'a>) -> crate::Result<bytes::Bytes> {
         let writer = bytes::BytesMut::new().writer();
         let mut serializer = RdfSerializer::from_format(options.format).for_writer(writer);
 
@@ -159,7 +159,7 @@ where
     /// Prepare an update request.
     pub fn to_update(
         &'a self,
-        options: SerializationOptions,
+        options: SerializationOptions<'a>,
     ) -> crate::Result<RdfSourceUpdateRequest> {
         let url = self.described_by.clone().unwrap_or(self.origin.clone());
         let media_type = options.format.media_type().to_string();