diff --git a/src/fingerprint/mod.rs b/src/fingerprint/mod.rs
index 7fc4fe4..14bd46f 100644
--- a/src/fingerprint/mod.rs
+++ b/src/fingerprint/mod.rs
@@ -1,4 +1,10 @@
-use {digest::Digest, rustls::Certificate, sha2::Sha256, std::{io::Read, fmt::Write}, x509_parser::prelude::*};
+use {
+    digest::Digest,
+    rustls::Certificate,
+    sha2::Sha256,
+    std::{fmt::Write, io::Read},
+    x509_parser::prelude::*,
+};
 
 mod error;
 pub use error::Error;
@@ -40,6 +46,9 @@ impl GetFingerprint for Certificate {
         for c in res {
             write!(s, "{c:02x}")?;
         }
-        Ok(Fingerprint { names, fingerprint: s })
+        Ok(Fingerprint {
+            names,
+            fingerprint: s,
+        })
     }
 }
diff --git a/src/sender/verifier.rs b/src/sender/verifier.rs
index a0bda39..7e9c041 100644
--- a/src/sender/verifier.rs
+++ b/src/sender/verifier.rs
@@ -1,5 +1,5 @@
 use {
-    crate::prelude::{CertificateStore, Fingerprint, GetFingerprint},
+    crate::prelude::{CertificateStore, GetFingerprint},
     rustls::{
         client::{ServerCertVerified, ServerCertVerifier},
         Certificate,
@@ -46,13 +46,19 @@ impl<S: CertificateStore> ServerCertVerifier for Verifier<S> {
                         return Ok(ServerCertVerified::assertion());
                     }
                 }
-                Err(rustls::Error::InvalidCertificate(rustls::CertificateError::NotValidForName))
+                Err(rustls::Error::InvalidCertificate(
+                    rustls::CertificateError::NotValidForName,
+                ))
             } else {
-                Err(rustls::Error::InvalidCertificate(rustls::CertificateError::NotValidForName))
+                Err(rustls::Error::InvalidCertificate(
+                    rustls::CertificateError::NotValidForName,
+                ))
             }
         } else {
             if !store.contains_certificate(&name) {
-                let _key = store.borrow_mut().insert_certificate(&name, &fp.fingerprint);
+                let _key = store
+                    .borrow_mut()
+                    .insert_certificate(&name, &fp.fingerprint);
             }
             return Ok(ServerCertVerified::assertion());
         }