diff --git a/actix-web-lab/CHANGELOG.md b/actix-web-lab/CHANGELOG.md
index 61ffb4d4..e35693bd 100644
--- a/actix-web-lab/CHANGELOG.md
+++ b/actix-web-lab/CHANGELOG.md
@@ -12,7 +12,6 @@
 - Remove `sse::{SseSendError, SseTrySendError, SseData, SseMessage}` type aliases.
 - Remove `web::Redirect` responder and `web::redirect()` function.
 - Remove `guard::Acceptable` guard type.
-- Update `ed25519-dalek` dependency to `2`.
 
 ## 0.19.2
 
diff --git a/actix-web-lab/examples/discord_webhook.rs b/actix-web-lab/examples/discord_webhook.rs
index 86fb4b5a..400fa3b0 100644
--- a/actix-web-lab/examples/discord_webhook.rs
+++ b/actix-web-lab/examples/discord_webhook.rs
@@ -13,20 +13,20 @@ use actix_web::{
 use actix_web_lab::extract::{Json, RequestSignature, RequestSignatureScheme};
 use async_trait::async_trait;
 use bytes::{BufMut as _, BytesMut};
-use ed25519_dalek::{PublicKey, Signature, Verifier as _};
+use ed25519_dalek::{Signature, Verifier as _, VerifyingKey};
 use hex_literal::hex;
 use once_cell::sync::Lazy;
 use rustls::{Certificate, PrivateKey, ServerConfig};
 use rustls_pemfile::{certs, pkcs8_private_keys};
 use tracing::info;
 
-const APP_PUBLIC_KEY_BYTES: &[u8] =
+const APP_PUBLIC_KEY_BYTES: &[u8; 32] =
     &hex!("d7d9a14753b591be99a0c5721be8083b1e486c3fcdc6ac08bfb63a6e5c204569");
 
 static SIG_HDR_NAME: HeaderName = HeaderName::from_static("x-signature-ed25519");
 static TS_HDR_NAME: HeaderName = HeaderName::from_static("x-signature-timestamp");
-static APP_PUBLIC_KEY: Lazy<PublicKey> =
-    Lazy::new(|| PublicKey::from_bytes(APP_PUBLIC_KEY_BYTES).unwrap());
+static APP_PUBLIC_KEY: Lazy<VerifyingKey> =
+    Lazy::new(|| VerifyingKey::from_bytes(APP_PUBLIC_KEY_BYTES).unwrap());
 
 #[derive(Debug)]
 struct DiscordWebhook {