diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd897f81b..00772856f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Features
 
 ### Improvements
+- [\#373](https://github.com/arkworks-rs/snark/pull/373) Update `tracing-subscriber` dependency from 0.2 to 0.3.
 
 ### Bug fixes
 
diff --git a/relations/Cargo.toml b/relations/Cargo.toml
index 2729f8eb8..417a6b0b1 100644
--- a/relations/Cargo.toml
+++ b/relations/Cargo.toml
@@ -16,7 +16,7 @@ edition = "2021"
 ark-ff = { version = "0.4.0", default-features = false }
 ark-std = { version = "0.4.0", default-features = false }
 tracing = { version = "0.1", default-features = false }
-tracing-subscriber = { version = "0.2", default-features = false, optional = true }
+tracing-subscriber = { version = "0.3", default-features = false, optional = true }
 
 [dev-dependencies]
 ark-test-curves = { version = "0.4.0", default-features = false, features = [ "bls12_381_scalar_field" ] }
diff --git a/relations/src/r1cs/trace.rs b/relations/src/r1cs/trace.rs
index a5ce11be6..f378cd4eb 100644
--- a/relations/src/r1cs/trace.rs
+++ b/relations/src/r1cs/trace.rs
@@ -59,7 +59,12 @@ where
 
     /// Notifies this layer that a new span was constructed with the given
     /// `Attributes` and `Id`.
-    fn new_span(&self, _attrs: &span::Attributes<'_>, _id: &span::Id, _ctx: layer::Context<'_, S>) {
+    fn on_new_span(
+        &self,
+        _attrs: &span::Attributes<'_>,
+        _id: &span::Id,
+        _ctx: layer::Context<'_, S>,
+    ) {
     }
 
     #[allow(unsafe_code, trivial_casts)]