diff --git a/primitives/src/signatures/bls_over_bn254.rs b/primitives/src/signatures/bls_over_bn254.rs
index 31f721f04..7741444bf 100644
--- a/primitives/src/signatures/bls_over_bn254.rs
+++ b/primitives/src/signatures/bls_over_bn254.rs
@@ -48,7 +48,7 @@ use ark_ff::{
     field_hashers::{DefaultFieldHasher, HashToField},
     BigInteger, Field, PrimeField,
 };
-use ark_serialize::*;
+use ark_serialize::{CanonicalDeserialize, CanonicalSerialize, *};
 use ark_std::{
     format,
     hash::{Hash, Hasher},
@@ -58,6 +58,7 @@ use ark_std::{
     One, UniformRand,
 };
 use digest::DynDigest;
+use serde::{Deserialize, Serialize};
 use sha3::Keccak256;
 
 use crate::errors::PrimitivesError::{ParameterError, VerificationError};
@@ -67,7 +68,7 @@ use tagged_base64::tagged;
 use zeroize::Zeroize;
 
 /// BLS signature scheme.
-#[derive(CanonicalSerialize, CanonicalDeserialize)]
+#[derive(Serialize, Deserialize)]
 pub struct BLSOverBN254CurveSignatureScheme;
 
 impl SignatureScheme for BLSOverBN254CurveSignatureScheme {
diff --git a/primitives/src/signatures/mod.rs b/primitives/src/signatures/mod.rs
index be64b500b..3c310568c 100644
--- a/primitives/src/signatures/mod.rs
+++ b/primitives/src/signatures/mod.rs
@@ -92,7 +92,9 @@ pub trait SignatureScheme {
 
 /// Trait for aggregatable signatures.
 /// TODO: generic over hash functions
-pub trait AggregateableSignatureSchemes: SignatureScheme {
+pub trait AggregateableSignatureSchemes:
+    SignatureScheme + Serialize + for<'a> Deserialize<'a>
+{
     /// Aggregate multiple signatures into a single signature
     /// The list of public keys is also in the input as some aggregate signature
     /// schemes might also use pks for aggregation