Index: src/utils.rs
==================================================================
--- src/utils.rs	
+++ src/utils.rs	
@@ -1,25 +1,29 @@
 use crate::Cursor;
 
-use std::borrow::Cow;
+use std::{
+	borrow::Cow,
+	sync::LazyLock,
+};
 
 use html_escape::encode_text;
-use lazy_static::lazy_static;
 use regex::{
 	Regex,
 	RegexBuilder,
 };
 use stacked_errors::{
 	bail,
 	Result,
 };
 
-lazy_static! {
-	pub static ref RE_DOMAIN: Regex = Regex::new(r"^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$").expect("Invalid domain regex");
-	pub static ref RE_CLOSING: Regex = RegexBuilder::new(r"</[ \t]*(pre|code)[ \t]*>")
-		.case_insensitive(true).build().expect("Invalid closing tag regex");
-}
+pub static RE_DOMAIN: LazyLock<Regex> = LazyLock::new(|| {
+	Regex::new(r"^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$").expect("Invalid domain regex")
+});
+pub static RE_CLOSING: LazyLock<Regex> = LazyLock::new(|| {
+	RegexBuilder::new(r"</[ \t]*(pre|code)[ \t]*>")
+		.case_insensitive(true).build().expect("Invalid closing tag regex")
+});
 
 /// Stores binary attachment data and metadata for Telegram messages.
 /// The data is wrapped in a `Cursor<Vec<u8>>` for efficient streaming,
 /// while `name` holds the filename or display name of the attachment.
 #[derive(Debug)]