diff --git a/Cargo.lock b/Cargo.lock
index 7dc0f1c..5fe4874 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3861,6 +3861,7 @@ name = "verifier"
 version = "0.1.0"
 dependencies = [
  "coset",
+ "log",
  "p256",
  "passkey-authenticator",
  "rand",
diff --git a/verifier/Cargo.toml b/verifier/Cargo.toml
index 4840685..dd2a4ca 100644
--- a/verifier/Cargo.toml
+++ b/verifier/Cargo.toml
@@ -7,6 +7,7 @@ repository.workspace = true
 version = "0.1.0"
 
 [dependencies]
+log.workspace = true
 p256 = { workspace = true, features = ["ecdsa", "pkcs8"] }
 sha2.workspace = true
 
@@ -17,4 +18,4 @@ rand.workspace = true
 
 [features]
 default = ["std"]
-std = ["coset/std", "p256/std", "rand/std", "sha2/std"]
+std = ["coset/std", "log/std", "p256/std", "rand/std", "sha2/std"]
diff --git a/verifier/src/lib.rs b/verifier/src/lib.rs
index 4c486c5..b623778 100644
--- a/verifier/src/lib.rs
+++ b/verifier/src/lib.rs
@@ -66,6 +66,8 @@ pub enum VerifyError {
     VerifySignature,
 }
 
+const LOG_TARGET: &str = "verifier::verify_signature";
+
 pub fn webauthn_verify(
     authenticator_data: &[u8],
     client_data_json: &[u8],
@@ -89,6 +91,12 @@ pub fn webauthn_verify(
     let signature =
         DerSignature::try_from(signature_der).map_err(|_| VerifyError::ParseSignature)?;
 
+    log::trace!(
+        "Run WebAuthn verify_signature: message={:?}, public_key={:?}, signature={:?}",
+        &message,
+        &public_key,
+        &signature
+    );
     // Step 5: Verify the signature
     verifying_key
         .verify(&message, &signature)