diff --git a/proxmox-dns-api/Cargo.toml b/proxmox-dns-api/Cargo.toml
index 406c9466..98045b34 100644
--- a/proxmox-dns-api/Cargo.toml
+++ b/proxmox-dns-api/Cargo.toml
@@ -7,11 +7,11 @@ license.workspace = true
 repository.workspace = true
 exclude.workspace = true
 description = "DNS Management API implementation"
+rust-version.workspace = true
 
 [dependencies]
 anyhow.workspace = true
 const_format.workspace = true
-lazy_static.workspace = true
 regex.workspace = true
 serde = { workspace = true, features = ["derive"] }
 
diff --git a/proxmox-dns-api/src/resolv_conf.rs b/proxmox-dns-api/src/resolv_conf.rs
index 1b09d07f..32698913 100644
--- a/proxmox-dns-api/src/resolv_conf.rs
+++ b/proxmox-dns-api/src/resolv_conf.rs
@@ -1,9 +1,7 @@
-use std::sync::Arc;
-use std::sync::Mutex;
+use std::sync::{Arc, LazyLock, Mutex};
 
 use anyhow::Error;
 use const_format::concatcp;
-use lazy_static::lazy_static;
 use proxmox_config_digest::ConfigDigest;
 use regex::Regex;
 
@@ -34,11 +32,10 @@ pub fn read_etc_resolv_conf(
 
     let data = String::from_utf8(raw)?;
 
-    lazy_static! {
-        static ref DOMAIN_REGEX: Regex = Regex::new(r"^\s*(?:search|domain)\s+(\S+)\s*").unwrap();
-        static ref SERVER_REGEX: Regex =
-            Regex::new(concatcp!(r"^\s*nameserver\s+(", IPRE_STR, r")\s*")).unwrap();
-    }
+    static DOMAIN_REGEX: LazyLock<Regex> =
+        LazyLock::new(|| Regex::new(r"^\s*(?:search|domain)\s+(\S+)\s*").unwrap());
+    static SERVER_REGEX: LazyLock<Regex> =
+        LazyLock::new(|| Regex::new(concatcp!(r"^\s*nameserver\s+(", IPRE_STR, r")\s*")).unwrap());
 
     let mut options = String::new();
 
@@ -78,9 +75,7 @@ pub fn update_dns(
     delete: Option<Vec<DeletableResolvConfProperty>>,
     digest: Option<ConfigDigest>,
 ) -> Result<(), Error> {
-    lazy_static! {
-        static ref MUTEX: Arc<Mutex<()>> = Arc::new(Mutex::new(()));
-    }
+    static MUTEX: LazyLock<Arc<Mutex<()>>> = LazyLock::new(|| Arc::new(Mutex::new(())));
 
     let _guard = MUTEX.lock();