diff --git a/src/downloader.rs b/src/downloader.rs
index a4b2076..d33fb45 100644
--- a/src/downloader.rs
+++ b/src/downloader.rs
@@ -49,7 +49,7 @@ pub fn download_files(
         let md5_map = md5_map.clone();
 
         let handle = thread::spawn(move || -> Result<(), Box<dyn std::error::Error + Send>> {
-            let filename = url.split('/').last().unwrap_or("file.tar.xz");
+            let filename = url.split('/').next_back().unwrap_or("file.tar.xz");
             let filepath = target_dir.join(filename);
 
             let download_url = if let Some(ref mirror) = package_mirror {
diff --git a/src/main.rs b/src/main.rs
index e1e1287..d93c2af 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,8 +29,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let lfs_sources = match env::var("LFS") {
         Ok(lfs) => PathBuf::from(lfs).join("sources"),
         Err(_) => {
-            let mut rng = rand::thread_rng();
-            let random_number: u32 = rng.gen_range(1000..=9999);
+            let mut rng = rand::rng();
+            let random_number: u32 = rng.random_range(1000..=9999);
             let tmp_path = format!("/tmp/lfs_{}", random_number);
             println!(
                 "{} Using temporary path {}",
diff --git a/src/version_check.rs b/src/version_check.rs
index f31a517..adec279 100644
--- a/src/version_check.rs
+++ b/src/version_check.rs
@@ -1,5 +1,4 @@
 use std::process::Command;
-use std::str::FromStr;
 
 pub fn run_command(cmd: &str, args: &[&str]) -> Option<String> {
     let output = Command::new(cmd).args(args).output().ok()?;
@@ -12,7 +11,7 @@ pub fn run_command(cmd: &str, args: &[&str]) -> Option<String> {
 
 pub fn check_version(installed: &str, required: &str) -> bool {
     let parse_ver = |v: &str| {
-        v.split(|c| c == '.' || c == '-')
+        v.split(['.', '-'])
             .filter_map(|s| s.parse::<u32>().ok())
             .collect::<Vec<_>>()
     };