diff --git a/CHANGELOG.md b/CHANGELOG.md
index b88cf4e..48e3ea6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 0.4.1
+- Add the Debug and Clone traits to `Signer` and `Verifier`.
+
 # 0.4.0
 - Update lazy-regex to version 3.
 
diff --git a/Cargo.toml b/Cargo.toml
index bf77b62..be6a9b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mauth-core"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/src/signer.rs b/src/signer.rs
index 73bb7d7..2c0c5cb 100644
--- a/src/signer.rs
+++ b/src/signer.rs
@@ -5,6 +5,7 @@ use rsa::pkcs1::DecodeRsaPrivateKey;
 use rsa::RsaPrivateKey;
 use sha2::Sha512;
 
+#[derive(Debug, Clone)]
 pub struct Signer {
     app_uuid: String,
     private_key: RsaPrivateKey,
diff --git a/src/verifier.rs b/src/verifier.rs
index 938157e..41bc1fe 100644
--- a/src/verifier.rs
+++ b/src/verifier.rs
@@ -6,6 +6,7 @@ use rsa::pkcs8::DecodePublicKey;
 use rsa::RsaPublicKey;
 use sha2::Sha512;
 
+#[derive(Debug, Clone)]
 pub struct Verifier {
     app_uuid: String,
     public_key: RsaPublicKey,