diff --git a/src/lib.rs b/src/lib.rs
index ba3236e..d36c6d6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -299,6 +299,7 @@ pub fn decompress_signature(b: &[u8; 64]) -> Result<Signature, String> {
     }
 }
 
+#[derive(Clone, Debug, Eq, PartialEq)]
 pub struct PrivateKey {
     pub key: [u8; 32],
 }