diff --git a/src/main.rs b/src/main.rs
index 3efd4881..eed8b0a7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -648,10 +648,10 @@ fn system_resolv_conf() -> anyhow::Result<(ResolverConfig, ResolverOpts)> {
     #[cfg(unix)]
     if env::var("TERMUX_VERSION").is_ok() {
         let prefix = env::var("PREFIX")?;
-        let path = format!("{}/etc/resolv.conf", prefix);
-        let conf_data = std::fs::read(&path).context(format!("DNS: failed to load {}", path))?;
+        let path = format!("{prefix}/etc/resolv.conf");
+        let conf_data = std::fs::read(&path).context(format!("DNS: failed to load {path}"))?;
         return hickory_resolver::system_conf::parse_resolv_conf(conf_data)
-            .context(format!("DNS: failed to parse {}", path));
+            .context(format!("DNS: failed to parse {path}"));
     }
 
     hickory_resolver::system_conf::read_system_conf()
diff --git a/src/printer.rs b/src/printer.rs
index 7500bf33..7a9b9a2b 100644
--- a/src/printer.rs
+++ b/src/printer.rs
@@ -371,7 +371,7 @@ fn print_summary<W: Write>(
         w,
         "{}",
         style.success_rate(
-            &format!("  Success rate:\t{:.2}%", success_rate),
+            &format!("  Success rate:\t{success_rate:.2}%"),
             success_rate
         )
     )?;
@@ -597,7 +597,7 @@ fn print_distribution<W: Write>(
         writeln!(
             w,
             "{}",
-            style.latency_distribution(&format!("  {:.2}% in {:.4} secs", p, v), *v)
+            style.latency_distribution(&format!("  {p:.2}% in {v:.4} secs"), *v)
         )?;
     }
 
diff --git a/src/url_generator.rs b/src/url_generator.rs
index a780d1f0..1b4b613a 100644
--- a/src/url_generator.rs
+++ b/src/url_generator.rs
@@ -61,7 +61,7 @@ mod tests {
     fn test_url_generator_dynamic() {
         let path_regex = "/[a-z][a-z][0-9]";
         let url_generator = UrlGenerator::new_dynamic(
-            RandRegex::compile(&format!(r"http://127\.0\.0\.1{}", path_regex), 4).unwrap(),
+            RandRegex::compile(&format!(r"http://127\.0\.0\.1{path_regex}"), 4).unwrap(),
         );
         let url = url_generator.generate(&mut thread_rng()).unwrap();
         assert_eq!(url.host(), Some(Host::Ipv4(Ipv4Addr::new(127, 0, 0, 1))));
diff --git a/tests/tests.rs b/tests/tests.rs
index 757ae00b..86d82f1f 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -763,14 +763,14 @@ async fn test_json_schema() {
 
     if let Err(errors) = schema.validate(&value) {
         for error in errors {
-            eprintln!("{}", error);
+            eprintln!("{error}");
         }
         panic!("JSON schema validation failed\n{output_json}");
     }
 
     if let Err(errors) = schema.validate(&value_stats_success_breakdown) {
         for error in errors {
-            eprintln!("{}", error);
+            eprintln!("{error}");
         }
         panic!("JSON schema validation failed\n{output_json_stats_success_breakdown}");
     }/* ?? */;