diff --git a/Cargo.toml b/Cargo.toml
index 9a21e7a..c5e957b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,7 +47,6 @@ tracing = "0.1.41"
 base64 = "0.22.1"
 rand = "0.8.5"
 rsa = "0.9.7"
-once_cell = "1.20.2"
 http = "1.2.0"
 sha2 = { version = "0.10.8", features = ["oid"] }
 thiserror = "2.0.9"
diff --git a/src/fetch/webfinger.rs b/src/fetch/webfinger.rs
index 8d53078..b73e28c 100644
--- a/src/fetch/webfinger.rs
+++ b/src/fetch/webfinger.rs
@@ -7,10 +7,9 @@ use crate::{
 };
 use http::HeaderValue;
 use itertools::Itertools;
-use once_cell::sync::Lazy;
 use regex::Regex;
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, fmt::Display};
+use std::{collections::HashMap, fmt::Display, sync::LazyLock};
 use tracing::debug;
 use url::Url;
 
@@ -130,8 +129,8 @@ pub fn extract_webfinger_name<'i, T>(query: &'i str, data: &Data<T>) -> Result<&
 where
     T: Clone,
 {
-    static WEBFINGER_REGEX: Lazy<Regex> =
-        Lazy::new(|| Regex::new(r"^acct:([\p{L}0-9_\.\-]+)@(.*)$").expect("compile regex"));
+    static WEBFINGER_REGEX: LazyLock<Regex> =
+        LazyLock::new(|| Regex::new(r"^acct:([\p{L}0-9_\.\-]+)@(.*)$").expect("compile regex"));
     // Regex to extract usernames from webfinger query. Supports different alphabets using `\p{L}`.
     // TODO: This should use a URL parser
     let captures = WEBFINGER_REGEX
diff --git a/src/http_signatures.rs b/src/http_signatures.rs
index f30e75c..95d0a12 100644
--- a/src/http_signatures.rs
+++ b/src/http_signatures.rs
@@ -19,7 +19,6 @@ use http_signature_normalization_reqwest::{
     prelude::{Config, SignExt},
     DefaultSpawner,
 };
-use once_cell::sync::Lazy;
 use reqwest::Request;
 use reqwest_middleware::RequestBuilder;
 use rsa::{
@@ -30,7 +29,7 @@ use rsa::{
 };
 use serde::Deserialize;
 use sha2::{Digest, Sha256};
-use std::{collections::BTreeMap, fmt::Debug, time::Duration};
+use std::{collections::BTreeMap, fmt::Debug, sync::LazyLock, time::Duration};
 use tracing::debug;
 use url::Url;
 
@@ -82,9 +81,9 @@ pub(crate) async fn sign_request(
     private_key: RsaPrivateKey,
     http_signature_compat: bool,
 ) -> Result<Request, Error> {
-    static CONFIG: Lazy<Config<DefaultSpawner>> =
-        Lazy::new(|| Config::new().set_expiration(EXPIRES_AFTER));
-    static CONFIG_COMPAT: Lazy<Config> = Lazy::new(|| {
+    static CONFIG: LazyLock<Config<DefaultSpawner>> =
+        LazyLock::new(|| Config::new().set_expiration(EXPIRES_AFTER));
+    static CONFIG_COMPAT: LazyLock<Config> = LazyLock::new(|| {
         Config::new()
             .mastodon_compat()
             .set_expiration(EXPIRES_AFTER)
@@ -185,7 +184,7 @@ fn verify_signature_inner(
     uri: &Uri,
     public_key: &str,
 ) -> Result<(), Error> {
-    static CONFIG: Lazy<http_signature_normalization::Config> = Lazy::new(|| {
+    static CONFIG: LazyLock<http_signature_normalization::Config> = LazyLock::new(|| {
         http_signature_normalization::Config::new()
             .set_expiration(EXPIRES_AFTER)
             .require_digest()
@@ -288,9 +287,10 @@ pub mod test {
     use rsa::{pkcs1::DecodeRsaPrivateKey, pkcs8::DecodePrivateKey};
     use std::str::FromStr;
 
-    static ACTOR_ID: Lazy<Url> = Lazy::new(|| Url::parse("https://example.com/u/alice").unwrap());
-    static INBOX_URL: Lazy<Url> =
-        Lazy::new(|| Url::parse("https://example.com/u/alice/inbox").unwrap());
+    static ACTOR_ID: LazyLock<Url> =
+        LazyLock::new(|| Url::parse("https://example.com/u/alice").unwrap());
+    static INBOX_URL: LazyLock<Url> =
+        LazyLock::new(|| Url::parse("https://example.com/u/alice/inbox").unwrap());
 
     #[tokio::test]
     async fn test_sign() {
diff --git a/src/traits.rs b/src/traits.rs
index 9976bda..7ca20d5 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -346,8 +346,8 @@ pub mod tests {
         protocol::verification::verify_domains_match,
     };
     use activitystreams_kinds::{activity::FollowType, actor::PersonType};
-    use once_cell::sync::Lazy;
     use serde::{Deserialize, Serialize};
+    use std::sync::LazyLock;
 
     #[derive(Clone)]
     pub struct DbConnection;
@@ -389,9 +389,10 @@ pub mod tests {
         pub local: bool,
     }
 
-    pub static DB_USER_KEYPAIR: Lazy<Keypair> = Lazy::new(|| generate_actor_keypair().unwrap());
+    pub static DB_USER_KEYPAIR: LazyLock<Keypair> =
+        LazyLock::new(|| generate_actor_keypair().unwrap());
 
-    pub static DB_USER: Lazy<DbUser> = Lazy::new(|| DbUser {
+    pub static DB_USER: LazyLock<DbUser> = LazyLock::new(|| DbUser {
         name: String::new(),
         federation_id: "https://localhost/123".parse().unwrap(),
         inbox: "https://localhost/123/inbox".parse().unwrap(),