diff --git a/Cargo.toml b/Cargo.toml
index 658ebe0b..64072cd8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ num-traits = "0.2"
 polynomial = { version = "0.2.5", features = ["serde"] }
 primitive-types = "0.12"
 rand_core = "0.6"
-p256k1 = { version = "5.5", default-features = false }
+p256k1 = { version = "6.0", default-features = false }
 serde = { version = "1.0", features = ["derive"] }
 sha2 = "0.10"
 thiserror = "1.0"
diff --git a/src/common.rs b/src/common.rs
index 816dbec0..b0aebedf 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -120,7 +120,7 @@ pub struct SignatureShare {
 
 #[allow(non_snake_case)]
 /// An aggregated group signature
-#[derive(Clone)]
+#[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
 pub struct Signature {
     /// The sum of the public nonces with commitments to the signed message
     pub R: Point,