diff --git a/CHANGELOG.md b/CHANGELOG.md
index c02872c1..2a23d56e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.8] - 2023-09-29
+### Changed
+- `DPRelation` deref to `Relation`
+
 ## [0.3.7] - 2023-09-28
 ### Changed
 - Objects in `Arc`s are `Sync + Send` for thread safety and matable objects are behind `Mutex`es
diff --git a/Cargo.toml b/Cargo.toml
index df02f11f..06a68c3d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["Nicolas Grislain <ng@sarus.tech>"]
 name = "qrlew"
-version = "0.3.7"
+version = "0.3.8"
 edition = "2021"
 description = "Sarus Qrlew Engine"
 documentation = "https://docs.rs/qrlew"
diff --git a/src/differential_privacy/mod.rs b/src/differential_privacy/mod.rs
index 5a849e81..cc35cf3f 100644
--- a/src/differential_privacy/mod.rs
+++ b/src/differential_privacy/mod.rs
@@ -92,6 +92,14 @@ impl DPRelation {
     }
 }
 
+impl Deref for DPRelation {
+    type Target = Relation;
+
+    fn deref(&self) -> &Self::Target {
+        &self.relation
+    }
+}
+
 impl From<DPRelation> for (Relation, PrivateQuery) {
     fn from(value: DPRelation) -> Self {
         (value.relation, value.private_query)