diff --git a/entities/src/notification.rs b/entities/src/notification.rs
index cd930fc..df538ff 100644
--- a/entities/src/notification.rs
+++ b/entities/src/notification.rs
@@ -9,7 +9,7 @@ use time::{serde::iso8601, OffsetDateTime};
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
 pub struct Notification {
     /// The notification ID.
-    pub id: String,
+    pub id: NotificationId,
     /// The type of notification.
     #[serde(rename = "type")]
     pub notification_type: NotificationType,
@@ -22,6 +22,17 @@ pub struct Notification {
     pub status: Option<Status>,
 }
 
+/// Wrapper type for a notification ID string
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[serde(transparent)]
+pub struct NotificationId(String);
+
+impl AsRef<str> for NotificationId {
+    fn as_ref(&self) -> &str {
+        &self.0
+    }
+}
+
 /// The type of notification.
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, PartialEq, Eq)]
 #[serde(rename_all = "lowercase")]