diff --git a/Cargo.lock b/Cargo.lock
index 6ae4c9e..2cf14cb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1012,6 +1012,16 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "idna"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -2719,7 +2729,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "50bff7831e19200a85b17131d085c25d7811bc4e186efdaf54bbd132994a88cb"
 dependencies = [
  "form_urlencoded",
- "idna",
+ "idna 0.4.0",
  "percent-encoding",
 ]
 
@@ -2741,12 +2751,12 @@ dependencies = [
 
 [[package]]
 name = "validator"
-version = "0.16.1"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b92f40481c04ff1f4f61f304d61793c7b56ff76ac1469f1beb199b1445b253bd"
+checksum = "da339118f018cc70ebf01fafc103360528aad53717e4bf311db929cb01cb9345"
 dependencies = [
- "idna",
- "lazy_static",
+ "idna 0.5.0",
+ "once_cell",
  "regex",
  "serde",
  "serde_derive",
diff --git a/Cargo.toml b/Cargo.toml
index fe81084..004b0f3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ tracing-log = "0.2"
 secrecy = { version = "0.8", features = ["serde"] }
 unicode-segmentation = "1"
 strum_macros = "0.26"
-validator = "0.16"
+validator = "0.17"
 
 [dependencies.sqlx]
 version = "0.7"
diff --git a/src/domain/subscriber_email.rs b/src/domain/subscriber_email.rs
index f2ea9c2..d6d249d 100644
--- a/src/domain/subscriber_email.rs
+++ b/src/domain/subscriber_email.rs
@@ -1,18 +1,25 @@
-use validator::validate_email;
+use validator::ValidateEmail;
 
 #[derive(Debug, Clone)]
 pub struct SubscriberEmail(String);
 
 impl SubscriberEmail {
     pub fn parse(s: String) -> Result<SubscriberEmail, String> {
-        if validate_email(&s) {
-            Ok(Self(s))
+        let result = Self(s.clone());
+        if result.validate_email() {
+            Ok(result)
         } else {
             Err(format!("{} is not a valid subscriber email.", s))
         }
     }
 }
 
+impl ValidateEmail for SubscriberEmail {
+    fn as_email_string(&self) -> Option<std::borrow::Cow<str>> {
+        Some(self.0.as_str().into())
+    }
+}
+
 impl AsRef<str> for SubscriberEmail {
     fn as_ref(&self) -> &str {
         &self.0